ret·​ro·​re·​flec·​tion ˌre-trō-ri-ˈflek-shən How to pronounce retroreflection (audio)
: the action or use of a retroreflector
retroreflective adjective

Word History

First Known Use

circa 1965, in the meaning defined above

Time Traveler
The first known use of retroreflection was circa 1965

Dictionary Entries Near retroreflection

Cite this Entry

“Retroreflection.” Dictionary, Merriam-Webster, Accessed 18 Jul. 2024.

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