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retroreflective

[ re-troh-ri-flek-tiv ]
/ ˌrɛ troʊ rɪˈflɛk tɪv /
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adjective

of or relating to a surface, material, or device (retroreflector ) that reflects light or other radiation back to its source; reflective.

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QUIZ YOURSELF ON AFFECT VS. EFFECT!

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The rainy weather could not ________ my elated spirits on my graduation day.

Origin of retroreflective

First recorded in 1850–55; retro- + reflective
ret·ro·re·flec·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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