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Top Terms > Vehicles and equipment > Vehicle components > Vehicle accessories > Vehicle viewing aids > Periscopes

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Periscopes (Qpyvp)

Definition
Optical instruments that provide a view of an otherwise obstructed field. (Source: wordnet.princeton.edu)
Broader Term
Vehicle viewing aids (Qpyv)
Related Terms (Hierarchical)
Rearview mirrors (Qpyvr)