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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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another is a laser retroreflector array which will bounce back laser beams fired from Earth.

From BBC • Feb. 15, 2024

There is also a NASA-contributed retroreflector, an upgraded version of the ones left on the moon by Apollo astronauts.

From Scientific American • Jul. 13, 2023

“We’ll have a demonstration with a retroreflector, and kids will act as the assistants,” Ms. MacKay said.

From New York Times • Oct. 9, 2015

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.