Alphabetical View

Display Hierarchical | Alphabetical | KWOC | KWIC

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15th century (Weab)
16th century (Weac)
17th century (Wead)
18th century (Weae)
19th century (Weaf)
20th century (Weag)
21st century (Weah)
55 mph speed limit (Crftrsa)
65 mph speed limit (Crftrsb)
85th percentile speed (Bthsmp)
Abandonment (Cqcb)
Abdomen (Myk)
Abilities (Mxr)
Ability tests (Mxra)
Ablative materials (Rbmuvtb)
Abrasion (Smdjb)
Abrasion resistance (Rkmjb)
Abrasion resistant coatings (Rbmnfcb)
Abrasion tests (Gbkb)
Abrasions (Hjpbb)
Abrasive blasting
Use Blast cleaning (Fmbbc)
Abrasives (Rbmnb)
ABS
Use Antilock brake systems (Dcmvgtf)
ABS
Use Antilock brake systems (Qpkbe)
Absenteeism (Ccbra)
Absorbents (Rbmnxe)
Use For Absorbers (Materials)
Absorbers (Materials)
Use Absorbents (Rbmnxe)
Absorption (Srhd)
Absorption spectra (Srpb)
Absorption spectroscopy (Gmcesb)
Absorptivity (Rkrb)
Abstracts (Xbbx)
Abutments (Pbpbfb)
AC motors
Use Alternating current motors (Qtbmbmb)
Accelerated bridge construction
Use Bridge construction (Fcfb)
Accelerated tests (Gbpd)
Accelerated weathering (Jbyyc)
Accelerating agents (Rbmdhcjf)
Use For Accelerators (Concrete)
Accelerating potential (Sea)
Acceleration (Mechanics) (Smdpb)
Acceleration lanes (Pmrcpmtb)
Accelerators (Concrete)
Use Accelerating agents (Rbmdhcjf)
Accelerators (Devices) (Qpnyfb)
Accelerators (Materials) (Rbcta)
Accelerographs (Gumpab)
Accelerometers (Gumpa)
Acceptance (Mxpda)
Acceptance sampling (Gtc)
Acceptance tests (Gbjb)
Use For Compliance tests
Access (Bkq)
Access control (Communications) (Dsbdmc)
Access control (Transportation) (Cqea)
Use For Access management (highways)
Access for persons with disabilities
Use Barrier free design (Esuh)
Access for the physically handicapped
Use Barrier free design (Esuh)
Access management (highways)
Use Access control (Transportation) (Cqea)
Access roads (Pmrccnb)
Access to airports
Use Airport access (Bmkha)
Accessibility (Bkqf)
Accessorial services (Bdbe)
Accident analysis
Use Crash analysis (Hbw)
Accident black spots
Use High risk locations (Hbkga)
Accident characteristics
Use Crash characteristics (Hbk)
Accident data
Use Crash data (Hbxx)
Accident diagrams
Use Crash diagrams (Hbxrd)
Accident exposure
Use Crash exposure (Hke)
Accident factors
Use Crash causes (Hbc)
Accident frequency
Use Crash rates (Hbxxs)
Accident investigation
Use Crash investigation (Hbx)
Accident investigation sites
Use Crash investigation sites (Hbxbb)
Accident locations
Use Crash locations (Hbkg)
Accident prone drivers
Use High risk drivers (Mtghdfc)
Accident prone locations
Use High risk locations (Hbkga)
Accident proneness
Use High risk drivers (Mtghdfc)
Accident rates
Use Crash rates (Hbxxs)
Accident reconstruction
Use Crash reconstruction (Hbxr)
Accident records
Use Crash records (Hbxxr)
Accident reports
Use Crash reports (Hbxxrr)
Accident responsibility
Use Crash causes (Hbc)
Accident risk forecasting
Use Crash risk forecasting (Hbxxsv)
Accident severity
Use Crash severity (Hbkd)
Accident survivability
Use Survival (Hbpps)
Accident survival time
Use Crash survival time (Hbppst)
Accident types
Use Crash types (Hbb)
Accident victims
Use Crash victims (Mswva)
Accidents
Use Crashes (Hb)
Accounting (Cg)
Accumulators (Electricity)
Use Storage batteries (Qtpfbs)
Accuracy (Gmsh)
Acetates (Rbcgrbb)
Acetic acid (Rbcgrrb)
Use For Ethanolic acid
ACI
Use Automatic car identification (Dmbyb)
Acid brittleness (Rkmlbeb)
Acid rain (Jfgsb)
Acid soils (Rbespbb)
Acidity (Rkcpf)
Acids (Rbctrb)
Acoustic absorption
Use Sound absorption (Sbts)
Acoustic attenuation
Use Sound attenuation (Sbt)
Acoustic detectors (Dmgdeb)
Acoustic ducts (Pbpbdcb)
Acoustic emission (Sbb)
Acoustic emission method
Use Acoustic emission tests (Gbhb)
Acoustic emission tests (Gbhb)
Use For Acoustic emission method
Acoustic equipment (Qtba)
Acoustic generators (Qtbab)
Acoustic impedance (Rkbf)
Acoustic insulation
Use Damping (Engineering) (Fcdd)
Acoustic materials (Rbmntb)
Acoustic measuring instruments (Gumeb)
Acoustic navigation
Use Sonic navigation (Dcnsbu)
Acoustic properties (Rkb)
Acoustic radiation (Sbhr)
Acoustic scattering (Sbf)
Acoustic signal processing (Dsmmrb)
Acoustic signature (Rkbj)
Acoustic velocity
Use Speed of sound (Sbw)
Acoustic waves (Sbh)
Acoustics (Tpxc)
Acrylic resins (Rbmdqrb)
Actinides (Rbcefm)
Activation (Chemistry) (Scpa)
Activation analysis (Gbcca)
Active automotive suspensions
Use Active suspension systems (Qpib)
Active grade crossing warning systems
Use Grade crossing protection systems (Dcmthcg)
Active safety systems (Dcmvgb)
Active suspension systems (Dcmvgtb)
Active suspension systems (Qpib)
Use For Active automotive suspensions
Active transportation
Use Nonmotorized transportation (Aex)
Activities leading to information generation (Xk)
Activity centers (Pfb)
Use For Major activity centers
Activity choices (Bmmw)
Actuated traffic signal controllers (Dcmthrrcb)
Actuating systems (Dcga)
Actuators (Dcja)
Adaptation (Psychology) (Mxku)
Adaptation and use of bituminous materials (Fcbyd)
Adaptation and use of specific materials (Fcby)
Adaptive control (Dcgb)
Use For Adaptive systems
Adaptive cruise control
Use Autonomous intelligent cruise control (Dcmvgycj)
Adaptive equipment
Use Assistive technology (Tta)
Adaptive systems
Use Adaptive control (Dcgb)
Additives (Rbctma)
ADHD
Use Attention deficit hyperactivity disorder (Mxmbb)
Adhesion (Smub)
Use For Adhesive bonding
Adhesive bonding
Use Adhesion (Smub)
Adhesive strength (Rkmaa)
Adhesive tape (Rbmnda)
Use For Tape (Adhesives)
Adhesives (Rbmnd)
Adiabatic conditions (Rkta)
ADIS
Use Advanced driver information systems (Dtvmnd)
Adjudication (Csi)
Adjustment (Psychology) (Mxpdd)
Adjustment factors (Btec)
Administration (Caa)
Use For Administrative organization
Administrative and managerial personnel (Msa)
Administrative organization
Use Administration (Caa)
Administrative personnel (Msaa)
Administrative procedures (Crm)
Admiralty law
Use Maritime law (Crdm)
Admixtures (Rbmdhcm)
Use For Concrete mixtures; Concrete admixtures; Concrete mixes
Adolescents (Mbf)
Use For Teenagers; Youths
Adopt a highway programs
Use Adopt-a-highway programs (Kwh)
Adopt-a-highway programs (Kwh)
Use For Adopt a highway programs
ADSEL
Use Mode S (Dcmtbfm)
Adsorbents (Rbmnxg)
Adsorption (Srhk)
Adults (Mbp)
Advanced automation system (Air traffic control) (Dcmtbc)
Advanced Driver Assistance Systems
Use Driver support systems (Dcmvgycd)
Advanced driver information systems (Dsfpdb)
Use For Computer aided routing system; Dynamic route guidance
Advanced driver information systems (Dtvmnd)
Use For ADIS
Advanced public transportation systems (Dtvbc)
Use For APTS
Advanced rural transportation systems (Dtvbf)
Use For ARTS (Advanced rural transportation systems)
Advanced technology
Use Technological innovations (Eyt)
Advanced traffic management systems (Dcmthca)
Use For Dynamic traffic management
Advanced traffic management systems (Dtvmj)
Use For ATMS
Advanced train control systems
Use Positive train control (Dcmvgyfy)
Advanced transport telematics
Use Intelligent transportation systems (Dtv)
Advanced traveler information systems (Dsfpb)
Advanced traveler information systems (Dtvmn)
Use For ATIS
Advanced vehicle control systems (Dcmvgyc)
Use For Electronic vehicle guidance; Drive by wire; Automated highway guidance
Advanced vehicle control systems (Dtvmr)
Use For AVCS
Adverse conditions
Use Weather conditions (Jbmwbb)
Advertising (Chq)
Advertising campaigns (Chqq)
Advisory groups (Msya)
Advocacy groups (Msyb)
AEI
Use Automatic equipment identification (Dmbye)
Aeolotropic materials
Use Anisotropic materials (Rbmdybb)
Aeolotropy
Use Anisotropy (Physics) (Rkpjb)
Aeration (Fcba)
Aerial application (Fmukpa)
Use For Aerial spraying and dusting; Crop dusting
Aerial photogrammetry (Esmsfjb)
Aerial photography (Esmgpb)
Aerial reconnaissance (Xkyc)
Aerial spraying and dusting
Use Aerial application (Fmukpa)
Aerial surveying (Esmsfb)
Use For Airborne surveying
Aerial tramways (Pbcud)
Aerodromes
Use Airports (Pmfc)
Aerodynamic drag
Use Drag (Smdfd)
Aerodynamic features (Vehicle body components) (Qpbcj)
Aerodynamic force (Smima)
Use For Aerodynamic loads; Wind forces
Aerodynamic lift (Qdbdb)
Aerodynamic lift (Smimam)
Use For Lift
Aerodynamic loads
Use Aerodynamic force (Smima)
Aerodynamic noise (Sbhd)
Aerodynamic stability (Qdbde)
Aerodynamics (Smdfb)
Aeroelasticity (Smbkb)
Aerofoils
Use Airfoils (Qpbbbk)
Aeronautical charts (Dcnsjb)
Aeronautical engineering (Ttkbb)
Aeronautical facilities
Use Air transportation facilities (Pmf)
Aeronautical instruments
Use Aircraft navigational aids (Dcnsyb)
Aeronautics (Tpxsfb)
Aerosols (Rbctmsb)
Aerospace engineering (Ttkb)
Use For Space engineering
Aerospace industry (Ncef)
Aerospace materials (Rbmumttb)
Aerostatics (Smue)
Aesthetics (Tcpb)
Use For Esthetics
Affirmative action (Kktfb)
African Americans (Mhcb)
Afterburners (Qpwyb)
Afternoon (Wegn)
Age (Mxbx)
Age groups (Mb)
Age hardening (Fcbyjqb)
Aged (Mbpe)
Use For Older people; Old people; Elderly persons; Senior citizens
Aged drivers (Mtghdfcu)
Use For Older drivers; Elderly drivers
Ageing (Biology)
Use Aging (Biology) (Jdb)
Ageing (Materials)
Use Aging (Materials) (Pteb)
Aggregate gradation (Gbbmbc)
Use For Gradation (Aggregates)
Aggregate interlock
Use Interlocking aggregates (Rbmddcjj)
Aggregate mixtures (Rbmddcs)
Aggregate tests (Gbbmb)
Aggregates (Rbmddc)
Aggregates by gradation (Rbmddcf)
Aggregates by relationship to concrete (Rbmddcm)
Aggregates by shape and surface texture (Rbmddcj)
Aggregates by source (Rbmddcc)
Aggregates by treatment (Rbmddcp)
Aggregates, rock and stone (Rbmdd)
Aggregation
Use Cluster analysis (Usjb)
Aggregation (Chemistry) (Scpb)
Aggression (Mxqa)
Use For Aggressiveness (Psychology)
Aggressive waters (Jbha)
Aggressiveness (Psychology)
Use Aggression (Mxqa)
Aging (Biology) (Jdb)
Use For Ageing (Biology)
Aging (Materials) (Pteb)
Use For Ageing (Materials)
Agitation (Mixing)
Use Mixing (Fcbp)
Agricultural aviation (Ncegga)
Agricultural chemicals (Rbmumtc)
Agricultural economics (Tgmb)
Agricultural equipment (Qtpa)
Agricultural exemption (Crfea)
Agricultural industry (Ncgr)
Agricultural products (Bhkb)
Agricultural roads
Use Farm roads (Pmrccpf)
Agricultural wastes (Jfkbb)
Agriculture (Ttb)
AGT
Use Automated guideway transit (Dcmvgyg)
AGVS
Use Automated guided vehicle systems (Dcmmb)
AICC
Use Autonomous intelligent cruise control (Dcmvgycj)
AID (Automatic incident detection)
Use Automatic incident detection (Dmbytjb)
Aids to air navigation (Dcnsxbb)
Aids to navigation (Dcnsxb)
Ailerons (Qpjyb)
Air (Rbj)
Air ambulance services (Hpef)
Air ambulances (Qbkha)
Use For Airplane ambulances; Helicopter ambulances
Air bag restraint systems
Use Air bags (Qpqrpb)
Air bags (Qpqrpb)
Use For Air bag restraint systems; Airbags
Air bases (Pmfcbb)
Use For Military airfields
Air brakes (Qpkbc)
Air cargo (Bbbc)
Use For Air freight
Air cargo terminals (Pmfcgcc)
Air carriers
Use Airlines (Nbbcb)
Air charter service (Bbgca)
Air circulation
Use Atmospheric circulation (Jbmbkd)
Air cleaners (Qtped)
Air compressors (Qtbmbcb)
Air conditioners (Qtpmcc)
Air conditioning systems (Pbpvb)
Use For Climate control
Air content (Rkcbba)
Air courier service (Bbeca)
Air currents (Jbmbkwb)
Air cushion vehicles (Qbqg)
Use For Hovercraft; Ground effect machines
Air delivery
Use Air drop (Ncegmd)
Air dried soil (Rbespmb)
Air drop (Ncegmd)
Use For Air delivery
Air engines (Qtbmbebb)
Air entrained concrete (Rbmdhcbb)
Air entraining agents (Rbmdhcjc)
Air entraining cement (Rbmdfcb)
Air entrainment (Sccya)
Air filters (Qtpedb)
Air Force personnel (Msnf)
Air freight
Use Air cargo (Bbbc)
Air freight forwarders (Nbcca)
Air heaters
Use Air preheaters (Qtpmhbcb)
Air injection reactors (Qpwxb)
Air injection systems (Qpnfb)
Air intakes (Qtpmvb)
Air law
Use Aviation law (Crda)
Air lines
Use Airlines (Nbbcb)
Air mail service (Bbema)
Air navigation
Use Aircraft pilotage (Dcnbscb)
Air navigators (Mtbd)
Use For Navigators (Aircraft)
Air pilots (Mtbb)
Use For Pilots; Airplane pilots; Aircraft pilots
Air piracy
Use Skyjacking (Huthf)
Air pollutants
Use Air pollution (Jfgbb)
Air pollution (Jfgbb)
Use For Air pollutants
Air pollution control
Use Air quality management (Jfgyb)
Air pollution sources (Jfgbbu)
Air preheaters (Qtpmhbcb)
Use For Air heaters
Air pressure (Smipa)
Air quality (Jfab)
Air quality management (Jfgyb)
Use For Emission control; Transportation control measures; Smog control; Air pollution control
Air resistance (Smdfdb)
Air route traffic control
Use Enroute traffic control (Dcmtbr)
Air route traffic control centers (Pmfgc)
Air routes (Bbhef)
Air screws
Use Propellers (Qphp)
Air shipments (Bna)
Air springs (Qpiyrd)
Air suspension systems (Qpid)
Air taxi service (Aeac)
Air traffic (Btaa)
Air traffic control (Dcmtb)
Use For Air traffic management; Air traffic control systems
Air traffic control facilities (Pmfg)
Use For Ground stations
Air traffic control radar beacon system (Dcmtbf)
Use For ATCRBS
Air traffic control systems
Use Air traffic control (Dcmtb)
Air traffic controllers (Msdc)
Air traffic management
Use Air traffic control (Dcmtb)
Air transportation (Aea)
Air transportation crashes (Hbba)
Use For Aircraft crashes; Aircraft accidents; Aircraft collisions; Airline accidents; Airline crashes; Aviation crashes; Aviation accidents
Air transportation facilities (Pmf)
Use For Aeronautical facilities; Aviation facilities; Civil aviation facilities
Air transportation policy (Crata)
Air travel (Bmca)
Air truck transportation (Bbbaf)
Air voids (Rbmdhcu)
Air water interfaces (Srbjc)
Airbags
Use Air bags (Qpqrpb)
Airborne navigational aids (Dcnsxpb)
Use For Avionic navigation aids
Airborne surveying
Use Aerial surveying (Esmsfb)
Airbridges (Pmfcgcjc)
Use For Jetways
Aircraft (Qbk)
Aircraft accident victims
Use Aircraft crash victims (Mswvab)
Aircraft accidents
Use Air transportation crashes (Hbba)
Aircraft approach spacing
Use Approach control (Dcmtbm)
Aircraft by motive power (Qbkp)
Aircraft by ownership (Qbko)
Aircraft by size (Qbkw)
Aircraft by speed (Qbks)
Aircraft by type of lift (Qbkm)
Aircraft cabins (Qpepb)
Aircraft carriers (Qbhoma)
Aircraft collisions
Use Air transportation crashes (Hbba)
Aircraft conflicts
Use Aircraft separation (Dcmtbj)
Aircraft control
Use Aircraft pilotage (Dcnbscb)
Aircraft crash victims (Mswvab)
Use For Aircraft accident victims
Aircraft crashes
Use Air transportation crashes (Hbba)
Aircraft exhaust gases (Jfgsgea)
Use For Jet engine exhaust; Jet exhaust
Aircraft fuels (Rbfubb)
Aircraft gates (Pmfcgcg)
Aircraft guidance
Use Aircraft pilotage (Dcnbscb)
Aircraft industry (Ncefa)
Use For Airplane industry
Aircraft landing areas
Use Landing fields (Pmfcgm)
Aircraft materials (Rbmuvb)
Aircraft navigational aids (Dcnsyb)
Use For Aeronautical instruments
Aircraft noise (Jfnbb)
Aircraft operations (Brc)
Aircraft pilotage (Dcnbscb)
Use For Navigation (Aeronautics); Air navigation; Aircraft guidance; Flying; Aircraft control
Aircraft pilots
Use Air pilots (Mtbb)
Aircraft separation (Dcmtbj)
Use For Aircraft conflicts
Aircraft structural components (Qpgyb)
Airfoils (Qpbbbk)
Use For Aerofoils
Airframes (Qpbbb)
Airline accidents
Use Air transportation crashes (Hbba)
Airline crashes
Use Air transportation crashes (Hbba)
Airline industry
Use Airlines (Nbbcb)
Airline pilots (Mtbbd)
Airlines (Nbbcb)
Use For Air lines; Air carriers; Airline industry
Airplane ambulances
Use Air ambulances (Qbkha)
Airplane industry
Use Aircraft industry (Ncefa)
Airplane pilots
Use Air pilots (Mtbb)
Airplanes (Qbkmf)
Use For Fixed wing aircraft
Airport access (Bmkha)
Use For Access to airports
Airport capacity (Bqau)
Airport control towers (Pfdec)
Airport control towers (Pmfgf)
Airport facilities (Pmfcg)
Airport ground transportation (Afw)
Airport noise (Jfnbbb)
Airport operations (Bqa)
Airport parking (Brddt)
Airport parking facilities (Pmfcgcp)
Airport pavements
Use Airport runways (Pmfcgmr)
Airport planning (Epdutb)
Airport runways (Pmfcgmr)
Use For Airport pavements; Runways (Aeronautics)
Airport surface traffic control (Dcmtbxc)
Use For Ground control
Airport terminals (Pmfcgc)
Use For Terminal flight facilities
Airport ticket counters (Pmfcgct)
Airport traffic (Btaam)
Airports (Pmfc)
Use For Aerodromes
Airships (Qbkmwd)
Use For Blimps; Dirigibles
Airside operations (Bqaa)
Airspace (Aeronautics) (Jbmbayb)
Airspace (Law) (Jbmbaym)
Airspace utilization (Cqg)
Airspeed (Qdbcb)
Airstrips (Pmfk)
Use For Landing strips
Airways (Pmfm)
Airworthiness (Haavsf)
Airworthiness (Qcfd)
Alarm systems (Qtpseb)
Alcohol abuse (Hmdsb)
Alcohol blood tests (Hpmwb)
Alcohol breath tests (Hpmwd)
Alcohol chemical tests (Hpmwg)
Alcohol consumption
Use Alcohol use (Hmds)
Alcohol effects (Hmdse)
Alcohol fuels (Rbfd)
Alcohol ignition interlock devices (Qtbmbereqr)
Use For Alcolocks
Alcohol in the body
Use Blood alcohol levels (Hpmba)
Alcohol tests (Hpmw)
Use For Intoxication tests; Sobriety tests
Alcohol use (Hmds)
Use For Social drinking; Alcohol consumption
Alcoholic beverages (Hmdsu)
Alcoholics
Use Alcoholism (Hmdsd)
Alcoholism (Hmdsd)
Use For Alcoholics
Alcohols (Rbcgrbc)
Alcolocks
Use Alcohol ignition interlock devices (Qtbmbereqr)
Aldehydes (Rbcgrbd)
Alertness (Mxrc)
Use For Situational awareness; Situation awareness
Algae (Jcbpc)
Algebra (Tprb)
Algebra (Udf)
Algebra and number theory (Ud)
Algebraic operations (Udfb)
Algorithms (Ubmg)
Alighting (Bdkda)
Alignment (Esmsfd)
Use For Alinement
Alinement
Use Alignment (Esmsfd)
Aliphatic compounds (Rbcgrbe)
Alkali (Rbctrgb)
Alkali aggregate reactions (Sccyb)
Use For Cement aggregate reactions
Alkali carbonate reactions (Sccyc)
Alkali metal compounds (Rbcgcb)
Alkali metals (Rbcebb)
Alkali silica reactions (Sccye)
Alkalic rock (Rbergb)
Alkalinity (Rkcpr)
Alkyd resins (Rbmdqrd)
All terrain vehicles (Qbddkb)
Use For Offroad vehicles
All way stop control
Use Multiway stop signs (Dcmthrkbrsm)
All weather landing systems (Dcnsybmc)
Alleys (Pmrccdb)
Allied health personnel (Msmp)
Alligator cracking (Smfdpbb)
Allisions (Hbbmc)
Allotropism
Use Polymorphism (Chemistry) (Rkcq)
Alloy steel (Rbmdkdfscb)
Use For Steel alloys
Alloys (Rbmdkd)
Alloys by properties (Rbmdkdy)
Alluvial deposits
Use Alluvium (Rbebb)
Alluvium (Rbebb)
Use For Alluvial deposits
Alpha rays (Spmb)
Alternate fuels (Rbfpb)
Use For Alternative fuels
Alternating current (Segb)
Alternating current motors (Qtbmbmb)
Use For AC motors
Alternative fuels
Use Alternate fuels (Rbfpb)
Alternatives analysis (Epdbbb)
Use For Comparison studies; Trade off analysis
Alternators (Qtbmbereb)
Altimeters (Gumpb)
Altitude (Updjb)
Alumina (Rbcgnbd)
Aluminate cement
Use Aluminous cement (Rbmdfcd)
Aluminates (Rbcgnbm)
Aluminium
Use Aluminum (Rbcefem)
Aluminous cement (Rbmdfcd)
Use For Aluminate cement
Aluminum (Rbcefem)
Use For Aluminium
Aluminum air batteries (Qtpfbba)
Aluminum alloys (Rbmdkdb)
Aluminum cars (Qbfmktm)
Aluminum coatings (Rbmnfcc)
Aluminum compounds (Rbcgcc)
Aluminum culverts (Pdyrdmb)
Aluminum inorganic compounds (Rbcgnb)
Aluminum oxide (Rbcgnbr)
Aluminum paint (Rbmnfnb)
Alzheimer's disease (Mxmbdb)
Amber (Rberra)
Amber phase
Use Yellow interval (Traffic signal cycle) (Dcmthcskjy)
Ambient noise (Jfnbc)
Ambient temperatures
Use Atmospheric temperature (Jbmbbt)
Ambulance drivers (Mtghdd)
Ambulance personnel (Msmpa)
Ambulances (Qbddkem)
Use For Emergency medical vehicles
Amendments (Crebd)
American Indians
Use Native Americans (Mhm)
Amides (Rbcgrbf)
Amines (Rbcgrbg)
Ammonia (Rbcgnc)
Ammonium compounds (Rbcgcd)
Amortization (Cgm)
Amphetamines (Hmdqxsh)
Amphibians (Jcbtvd)
Amphibious operations (Brsy)
Amphibious vehicles (Qbq)
Amplifiers (Qtbad)
Amplitude (Physics) (Sfrwsb)
Amplitude modulation (Dsmmjb)
Amputations (Hjpc)
Amputees (Mmg)
Amusement parks (Pfqb)
Use For Theme parks
Anaesthesia
Use Anesthesia (Hpgf)
Analog computers (Qtpxmbb)
Analog simulation (Ubmsb)
Analog to digital converters (Qtbea)
Analysis (Epdbb)
Analysis of variance (Usa)
Use For Variance analysis
Analytic geometries (Upq)
Analytic hierarchy process (Epdmda)
Use For Analytical hierarchical process
Analytical chemistry (Tphb)
Analytical hierarchical process
Use Analytic hierarchy process (Epdmda)
Anatomical models (Myx)
Anatomy (My)
Anatomy (Tpdrb)
Anchor bolts (Rbmnkbb)
Use For Anchor rods
Anchor piles (Pbpbvvmb)
Anchor plates (Rbmdxsqc)
Anchor rods
Use Anchor bolts (Rbmnkbb)
Anchor walls (Pbpbfd)
Anchor windlasses (Qtpuc)
Anchorage (Structures)
Use Anchorages (Pbpbff)
Anchorages (Pbpbff)
Use For Anchorage (Structures)
Anchoring (Dcnbscssb)
Use For Embedment (Anchoring)
Anchors (Mooring devices) (Qtpub)
Use For Mooring anchors
Anchors (Structural connectors) (Qtpud)
Anechoic chambers (Pfrmttb)
Anemometers (Gumptb)
Anemometers (Gumub)
Anemometry (Tpntb)
Anesthesia (Hpgf)
Use For Anaesthesia
Anger (Mxqc)
Angle of attack (Qdbca)
Angle of incidence (Rkoa)
Angle of internal friction
Use Coefficient of internal friction (Rkmye)
Angle of repose (Rkmydc)
Angle of rest (Rkmydcc)
Angle parking (Brddna)
Angular acceleration (Smdpvcc)
Angular velocity (Smdpvc)
Angularity (Rkptsb)
Animal behavior (Jdt)
Animal ecology
Use Habitat (Ecology) (Jeh)
Animal materials (Rbmdmb)
Animal migrations (Jdtf)
Use For Fish migrations
Animals (Jcbt)
Animals in crash research
Use Crash victim simulation (Hjrs)
Anionic emulsified asphalt (Rbmdpbeb)
Anions (Rbcbfg)
Anisotropic materials (Rbmdybb)
Use For Aeolotropic materials
Anisotropy (Physics) (Rkpjb)
Use For Aeolotropy
Ankle (Mypdgq)
Annealing (Fcbyjsb)
Anniversaries (Wgpv)
Annoyance (Mxqb)
ANNs (Artificial neural networks)
Use Neural networks (Xbkdn)
Annual (Wik)
Annual average daily traffic (Bthvaa)
Use For Average annual daily traffic
Annual reports (Xxra)
Annual reviews (Xxqa)
Annunciators in vehicles
Use In vehicle annunciators (Qtbag)
Anodes (Qtpfbyb)
Anodic materials (Rbctb)
Anodic polarization (Scppb)
Anodic protection (Fccmcb)
Antenna accessories (Dsgmc)
Antenna arrays
Use Phased arrays (Dsgmbsp)
Antenna patterns
Use Radiation patterns (Sfrwbq)
Antennas (Dsgmb)
Anthracite (Rbersb)
Anthropology (Tgc)
Anthropometry (Mxbh)
Use For Human body
Anthropometry (Tgcp)
Anti dazzle screens
Use Anti glare screens (Pmrcpbc)
Anti glare screens (Pmrcpbc)
Use For Anti dazzle screens; Glare screens
Anticorrosion coatings (Rbmnfcf)
Antidepressants (Hpgmu)
Antifouling coatings (Rbmnfch)
Use For Fouling prevention
Antifreeze (Rbmnhb)
Antifriction bearings (Qtbmyda)
Antihistamines (Hpgmh)
Anti-icing (Fmbsb)
Antiknock compounds (Rbfcbb)
Antilock brake systems (Dcmvgtf)
Use For ABS
Antilock brake systems (Qpkbe)
Use For ABS; Antiskid brakes
Antioxidants (Rbctkb)
Antiskid brakes
Use Antilock brake systems (Qpkbe)
Antiskid treatment
Use Pavement grooving (Fcffj)
Antistrip additives (Rbmndbc)
Antitheft devices (Qpyb)
Antitrust laws (Creaa)
Anxiety (Mxqx)
Apartment buildings (Pffb)
Apnea (Hmdbc)
Use For Apnoea
Apnoea
Use Apnea (Hmdbc)
Apparatus
Use Equipment (Qt)
Appeals (Csh)
Applications (Cwf)
Applied mechanics (Ttkib)
Apportionment (Cfdrn)
Appraisals (Cfp)
Approach (Qdbpb)
Approach control (Dcmtbm)
Use For Aircraft approach spacing
Approach lanes (Pmrcpma)
Approach roads (Pmrccnd)
Use For Slip roads
Appropriate technology (Ttc)
Appropriations (Cfau)
Approximation (Mathematics) (Ubf)
Use For Approximations
Approximations
Use Approximation (Mathematics) (Ubf)
Aprons (Airports) (Pmfcgcb)
Aprons (Wharves) (Pmhbmpmbrb)
Aptitude (Mxrb)
Aptitude tests (Mxrbt)
APTS
Use Advanced public transportation systems (Dtvbc)
Aquaplanes (Qbheb)
Aquatic biology
Use Marine biology (Tpdm)
Aquatic life (Jcmbb)
Use For Aquatic organisms; Aquatic plants
Aquatic organisms
Use Aquatic life (Jcmbb)
Aquatic plants
Use Aquatic life (Jcmbb)
Aqueducts (Pmhsfb)
Aquifer recharge
Use Groundwater recharge (Jbhvr)
Aquifers (Vsb)
Aramid fibers (Rbmdxfb)
Arbitration (Kabkrnsa)
Arc welding
Use Electric arc welding (Fcbyjvd)
Arch bridges (Pdybmdb)
Arch dams (Pmhmbb)
Archaeological surveying (Esmsrb)
Archaeology (Tgf)
Arches (Pbpba)
Arching (Soils) (Smvb)
Architecture (Ttnb)
Architecture and persons with disabilities
Use Barrier free design (Esuh)
Architecture and the physically handicapped
Use Barrier free design (Esuh)
Area (Upda)
Area traffic signal control (Dcmthcseb)
Areas (Vc)
Areas and regions (V)
Areas by point of view (Vv)
Arenites (Rberhb)
ARI
Use Automatic radio information (Dsfpdf)
Arid land (Vgd)
Arithmetic (Uf)
Arithmetic operations (Ufb)
Arm (Mypbh)
Armored vehicles (Qbddkn)
Use For Armoured vehicles
Armoured vehicles
Use Armored vehicles (Qbddkn)
Army aircraft (Qbkomm)
Army personnel (Msng)
Aromatic compounds (Rbcgrbh)
Aromatic hydrocarbons (Rbcgrbtb)
Arrester beds (Pmruueb)
Arrester wires (Qtpuf)
Arrests (Hrkk)
Arrivals and departures (Brcb)
Arrows (Signals) (Dsmbsb)
Art (Tcb)
Arterial highways (Pmrccdhb)
Use For Boulevards; Main roads; Thorofares; Thoroughfares; Through highways; Arterial streets
Arterial streets
Use Arterial highways (Pmrccdhb)
Arteries (Myva)
Articulated buses (Qbddhpbwj)
Articulated cars (Qbfmktj)
Artificial aggregates (Rbmddccb)
Use For Manufactured aggregates; Synthetic aggregates
Artificial intelligence (Xbkdb)
Artificial neural networks
Use Neural networks (Xbkdn)
Artificial satellites (Qbnc)
Use For Satellites
ARTS (Advanced rural transportation systems)
Use Advanced rural transportation systems (Dtvbf)
ARTS (Automated radar terminal system)
Use Automated radar terminal system (Dcmtbp)
Asbestos (Rberrb)
Asbestos cement (Rbmdfcf)
Ash content (Rkcbbb)
Asians (Mhd)
Asphalt (Rbeusb)
Asphalt additives (Rbmdpby)
Asphalt ballast (Rbmddvbb)
Asphalt based materials (Rbmdpb)
Asphalt cement (Rbmdpbb)
Use For Bituminous cement
Asphalt concrete (Rbmdpbub)
Use For Bituminous concrete; Asphaltic concrete
Asphalt concrete pavements (Pmrcppbmd)
Use For Asphaltic concrete pavements
Asphalt content (Rkcbbg)
Asphalt emulsion mixtures
Use Asphalt emulsions (Rbmdyheb)
Asphalt emulsions (Rbmdyheb)
Use For Asphalt emulsion mixtures
Asphalt hardening (Sccwb)
Asphalt mastic
Use Mastic asphalt (Rbmdpbum)
Asphalt mixtures (Rbmdpbu)
Use For Plant mix asphalt; Asphaltic mixtures
Asphalt overlays
Use Bituminous overlays (Pmrcpppmbpb)
Asphalt pavements (Pmrcppbmb)
Asphalt plants (Pfkpb)
Use For Drum plants
Asphalt rock (Rbeusbf)
Use For Natural rock asphalt; Rock asphalt
Asphalt rubber (Rbmdpbyper)
Use For Rubberized asphalt
Asphalt rubber (Rbmdqdrcb)
Asphalt tests (Gbbmd)
Asphaltene (Rbmdppb)
Asphaltic concrete
Use Asphalt concrete (Rbmdpbub)
Asphaltic concrete pavements
Use Asphalt concrete pavements (Pmrcppbmd)
Asphaltic mixtures
Use Asphalt mixtures (Rbmdpbu)
Asphaltic sand (Rbesgsb)
Use For Sand asphalt
Asphyxia (Hjpya)
Assemblies (Equipment) (Qts)
Assembly lines (Cpma)
Assessments (Cfu)
Asset management (Cfem)
Assets (Cfe)
Assistive devices
Use Assistive technology (Tta)
Assistive technology (Tta)
Use For Assistive devices; Adaptive equipment
Association (Chemistry) (Scpc)
Associations (Nsa)
Astronavigation
Use Celestial navigation (Dcnsbb)
Astronomical phenomena (Jbb)
Astronomy (Tpb)
Asymmetry (Rkptsd)
Asymptotic expansion (Ubfb)
Use For Asymptotic series
Asymptotic series
Use Asymptotic expansion (Ubfb)
Asynchronous control (Dcmvgmhb)
Asynchronous motors (Qtbmbmt)
At grade intersections (Pmrcpjfcb)
Use For Grade crossings (Highways)
ATCRBS
Use Air traffic control radar beacon system (Dcmtbf)
ATIS
Use Advanced traveler information systems (Dtvmn)
Atlases (Xxvmy)
Atmosphere (Jbmb)
Atmosphere models
Use Model atmosphere (Jbmby)
Atmospheric chemistry (Tpntc)
Atmospheric circulation (Jbmbkd)
Use For Air circulation
Atmospheric diffusion (Jbmbkg)
Atmospheric interference (Dsmrjc)
Use For Atmospherics
Atmospheric layers (Jbmba)
Use For Atmospheric shells
Atmospheric models
Use Model atmosphere (Jbmby)
Atmospheric motion
Use Wind (Jbmbkw)
Atmospheric phenomena (Jbmbk)
Atmospheric physics (Tpnpb)
Atmospheric precipitation
Use Precipitation (Meteorology) (Jbmbkmp)
Atmospheric pressure (Jbmbbp)
Use For Barometric pressures
Atmospheric pressure phenomena (Jbmbkp)
Atmospheric shells
Use Atmospheric layers (Jbmba)
Atmospheric temperature (Jbmbbt)
Use For Ambient temperatures
Atmospheric turbulence (Jbmbkj)
Atmospheric water vapor (Jbmbkmb)
Atmospherics
Use Atmospheric interference (Dsmrjc)
ATMS
Use Advanced traffic management systems (Dtvmj)
Atomic fission
Use Fission (Spsc)
Atomic fusion
Use Fusion (Spsk)
Atomic nucleus (Rbcbbsb)
Use For Nucleus (Physics)
Atomic physics (Tpxe)
Atoms (Rbcbb)
ATT
Use Intelligent transportation systems (Dtv)
Attachment hardware (Qpqra)
Attack aircraft (Qbkomf)
Attention (Mxrcg)
Attention deficit hyperactivity disorder (Mxmbb)
Use For ADHD
Attention lapses (Mxrcm)
Attention value (Chqa)
Attenuation (Electricity) (Seb)
Attenuation (Engineering) (Fcbjb)
Attenuation (Physics) (Sma)
Atterberg limits (Rkmya)
Use For Consistency limits
Attitude (Flight dynamics) (Qdbdf)
Attitudes (Mxpd)
Use For Mental attitudes
Attorneys (Msxt)
Audible pedestrian signals (Dcmthrrskb)
Audible warning devices (Dcmthrbb)
Use For Aural signals
Audible warning devices in vehicles (Qtpswa)
Audio frequency (Sfrwbfm)
Use For Sonic frequency; Sound frequency
Audio media (Xyh)
Use For Magnetic tape recordings
Audiotex (Dsbtb)
Audiovisual aids (Xxwa)
Auditing (Cad)
Auditory perception (Mxta)
Use For Hearing
Augers (Qtptb)
Aural signals
Use Audible warning devices (Dcmthrbb)
Austenite (Rbmdkdfb)
Auto carrier cars
Use Automobile rack cars (Qbfmkfca)
Auto free zones
Use Pedestrian areas (Pmrtp)
Auto on train (Bbda)
Autoclave curing (Fcbygfb)
Autocorrelation (Usdb)
Automata theory (Ubmk)
Automated accident detection
Use Automatic crash notification (Dsfpcb)
Automated accounting equipment (Dcmcr)
Automated checkin (Bdke)
Use For Electronic checkin; Remote checkin
Automated clearance (Dmbyvy)
Use For Electronic clearance; Credentialing (Trucking); Mainline automated clearance systems
Automated collision notification
Use Automatic crash notification (Dsfpcb)
Automated control systems
Use Automation (Dcb)
Automated enforcement (Hra)
Automated guided vehicle systems (Dcmmb)
Use For AGVS
Automated guideway transit (Dcmvgyg)
Use For AGT
Automated highway guidance
Use Advanced vehicle control systems (Dcmvgyc)
Automated highway systems (Dcmvgycb)
Use For Automatic highway systems
Automated highways (Pmrccpb)
Use For Electronic roads; Intelligent highways; Smart roads; Smart highways; Automatic highways
Automated people movers
Use People movers (Qtphes)
Automated radar terminal system (Dcmtbp)
Use For ARTS (Automated radar terminal system)
Automated toll collection (Dcmcb)
Use For Electronic toll and traffic management; ETTM; Freeflow tolling; Electronic toll collection
Automated transportation systems
Use Automated vehicle control (Dcmv)
Automated vehicle control (Dcmv)
Use For Vehicle control; Vehicle guidance; Automatic transportation systems; Automated transportation systems; Automatic navigation systems
Automated vehicle control for ground vehicles (Dcmvg)
Automated vehicles
Use Intelligent vehicles (Qbddkj)
Automatic block signal systems (Dcmtrsbb)
Automatic braking (Dcmvgmb)
Automatic car identification (Dmbyb)
Use For ACI
Automatic control (Dcgc)
Automatic controllers (Dcjb)
Use For Controllers (Automatic control equipment)
Automatic crash notification (Dsfpcb)
Use For Automated accident detection; Automated collision notification
Automatic data collection systems (Xbkcb)
Use For Naturalistic driving research; Naturalistic driving data
Automatic equipment identification (Dmbye)
Use For AEI
Automatic fare collection (Dcmcf)
Automatic fare vending machine
Use Ticket vending machines (Qtpvt)
Automatic headway control (Dcmvgmh)
Use For Vehicle follower control
Automatic highway systems
Use Automated highway systems (Dcmvgycb)
Automatic highways
Use Automated highways (Pmrccpb)
Automatic incident detection (Dmbytjb)
Use For AID (Automatic incident detection)
Automatic landing systems (Dcmvbm)
Automatic license plate readers (Dmgdeyb)
Automatic location systems
Use Automatic vehicle location (Dmbyvm)
Automatic navigation systems
Use Automated vehicle control (Dcmv)
Automatic pilot (Dcmvbp)
Automatic pilot (Dcmvsb)
Use For Autopilot
Automatic radio information (Dsfpdf)
Use For ARI
Automatic seat belts (Qpqrpd)
Automatic ship systems
Use Voyage management systems (Dcmvsv)
Automatic speed control (Dcmvgms)
Automatic steering control (Dcmvgych)
Use For Lateral guidance; Steer by wire; Lateral control
Automatic test equipment (Gub)
Automatic ticket machines
Use Ticket vending machines (Qtpvt)
Automatic tracking (Dcnsbyb)
Automatic traffic signal control
Use Traffic signal control systems (Dcmthcse)
Automatic train control (Dcmvgyf)
Use For Unattended train operation (UTO); Train control
Automatic train location (Dmbyc)
Use For Train detectors
Automatic train operation (Dcmvgyfd)
Use For Driverless train operation
Automatic train protection (Dcmvgyfm)
Use For Train safety control systems
Automatic train stop system (Dcmvgyfr)
Automatic train supervision (Dcmvgyfu)
Automatic transmissions (Qpoxtb)
Automatic transportation systems
Use Automated vehicle control (Dcmv)
Automatic vehicle classification (Dmbyvc)
Automatic vehicle detection and identification systems (Dmbyv)
Automatic vehicle identification (Dmbyvj)
Use For AVI
Automatic vehicle location (Dmbyvm)
Use For Vehicle locating systems; Automatic location systems; AVL
Automatic vehicle monitoring (Dmbyvp)
Use For Vehicle monitoring; AVM
Automatic vessel control (Dcmvs)
Use For Guidance systems (Ships)
Automatic welding (Fcbyjvb)
Use For Welding automation
Automation (Dcb)
Use For Automated control systems
Automobile dealers (Nbhd)
Automobile drivers (Mtghdb)
Automobile drivers' tests
Use Driving tests (Crhdd)
Automobile driving (Dcnbstyb)
Automobile driving simulators
Use Driving simulators (Qtpstsd)
Automobile engineers (Msgbma)
Automobile exhaust
Use Exhaust gases (Jfgsge)
Automobile fuels
Use Motor fuels (Rbfum)
Automobile industry (Ncema)
Automobile insurance (Cnvh)
Automobile navigation systems (Dcnsyhb)
Use For Onboard navigation systems (Automobiles)
Automobile ownership (Bkmb)
Automobile parts industry (Ncemb)
Automobile rack cars (Qbfmkfca)
Use For Auto carrier cars
Automobile repair shops (Nbmv)
Automobile travel (Bmbb)
Use For Automobile usage; Automobile use
Automobile usage
Use Automobile travel (Bmbb)
Automobile use
Use Automobile travel (Bmbb)
Automobiles (Qbddhmc)
Automobiles by motive power (Qbddhmcp)
Automobiles by type (Qbddhmcc)
Automobiles for people with disabilities
Use Automobiles for the physically disabled (Qbddhmckh)
Automobiles for the physically disabled (Qbddhmckh)
Use For Automobiles for people with disabilities
Automotive computers (Qtpxmbv)
Use For Automotive microcontrollers; In vehicle computers
Automotive electronics
Use Vehicle electronics (Qpv)
Automotive engineering (Ttkqb)
Automotive fuels
Use Motor fuels (Rbfum)
Automotive industry
Use Motor vehicle industry (Ncem)
Automotive materials (Rbmuvc)
Automotive medicine (Ttuxb)
Use For Traffic medicine
Automotive microcontrollers
Use Automotive computers (Qtpxmbv)
Automotive sensors
Use In vehicle sensors (Dmgum)
Automotive telematics
Use Telematics (Dt)
Automotive vehicles
Use Motor vehicles (Qbdd)
Autonomous agents
Use Intelligent agents (Xbkdbj)
Autonomous intelligent cruise control (Dcmvgycj)
Use For Intelligent cruise control; Adaptive cruise control; AICC
Autonomous land vehicles (Qbddkmb)
Autonomous vehicle guidance (Dcmvgyh)
Autopilot
Use Automatic pilot (Dcmvsb)
Autopsies (Hpmx)
Autotransformers (Qtbfuc)
Autumn
Use Fall (Webf)
Auxiliary brakes (Qpkbx)
Auxiliary lanes (Pmrcpmb)
Auxiliary power plants (Qtbmbb)
Auxiliary power units (Qppb)
Avalanches (Jbhyb)
AVCS
Use Advanced vehicle control systems (Dtvmr)
Average (Usygb)
Average annual daily traffic
Use Annual average daily traffic (Bthvaa)
Average daily traffic (Bthva)
Average spot speed (Bthssa)
Average travel speed (Bthsma)
AVI
Use Automatic vehicle identification (Dmbyvj)
Aviation (Nceg)
Aviation accidents
Use Air transportation crashes (Hbba)
Aviation crashes
Use Air transportation crashes (Hbba)
Aviation facilities
Use Air transportation facilities (Pmf)
Aviation fuels (Rbfub)
Aviation law (Crda)
Use For Air law
Aviation medicine (Ttuxd)
Aviation safety (Haaa)
Use For Flight safety
Aviators
Use Flight personnel (Mtb)
Avionic navigation aids
Use Airborne navigational aids (Dcnsxpb)
Avionics (Ttkbbb)
AVL
Use Automatic vehicle location (Dmbyvm)
AVM
Use Automatic vehicle monitoring (Dmbyvp)
Avulsions (Hjpbr)
Awards (Ccbpma)
Awareness (Mxrdb)
Axial compression (Srvbb)
Axial loads (Smimb)
Axis (Updb)
Axle loads (Qdmb)
Axle loads (Smimc)
Axles (Qphb)
Azimuth (Gmsa)
Azimuthal map projection (Esmgmpb)

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