Dictionary

retroreflection

noun ret·ro·re·flec·tion \ˌre-trō-ri-ˈflek-shən\

Definition of RETROREFLECTION

:  the action or use of a retroreflector
ret·ro·re·flec·tive \-ˈflek-tiv\ adjective
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First Known Use of RETROREFLECTION

circa 1965

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