retroreflector

[ re-troh-ri-flek-ter ]
/ ˌrɛ troʊ rɪˈflɛk tər /

noun

See under retroreflective.

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Origin of retroreflector

First recorded in 1945–50; retro- + reflector
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021