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retroreflector

[re-troh-ri-flek-ter] /ˌrɛ troʊ rɪˈflɛk tər/
noun
1.
See under retroreflective.
Origin
1945-1950
1945-50; retro- + reflector

retroreflective

[re-troh-ri-flek-tiv] /ˌrɛ troʊ rɪˈflɛk tɪv/
adjective
1.
of or relating to a surface, material, or device (retroreflector) that reflects light or other radiation back to its source; reflective.
Origin
1850-55; retro- + reflective
Related forms
retroreflection, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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