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retroreflector

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

noun

  1. retroreflective

Etymology

Origin of retroreflector

First recorded in 1945–50; retro- + reflector

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.