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[ri-flek-ter] /rɪˈflɛk tər/
a person or thing that reflects.
a body, surface, or device that reflects light, heat, sound, or the like.
a substance, as graphite or heavy water, used to prevent the escape of neutrons from the core of a nuclear reactor.
Origin of reflector
1655-65; reflect + -or2
Related forms
nonreflector, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for reflector
  • Roasting is cooking before a clear fire, with a reflector to concentrate the heat.
  • The logo on the heel doubles as a reflector when light hits it, which is great for night riding.
  • They pop in headlights as well as any standard reflector but disappear in the daylight.
  • Create a solar reflector flap by centering an outline on the lid the same size as the smaller oven opening.
  • Your laser beam will be reflected in a way only an artificial laser reflector can.
  • The alternating layers of silicon and silicon dioxide form an excellent light reflector.
  • It uses neutron reflector panels around the perimeter to maintain neutron density.
  • The sticks and tinfoil, he explained, were from a reflector used to track the balloon by radar.
  • Fortunately here, the white wall served as a perfect reflector.
  • Create a solar reflector with cardboard and aluminum foil.
British Dictionary definitions for reflector


a person or thing that reflects
a surface or object that reflects light, sound, heat, etc
a small translucent red disc, strip, etc, with a reflecting backing on the rear of a road vehicle, which reflects the light of the headlights of a following vehicle
another name for reflecting telescope
part of an aerial placed so as to increase the forward radiation of the radiator and decrease the backward radiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for reflector

also reflecter, 1660s, agent noun in Latin form from reflect. As an attachment to a vehicle, etc., from 1909. As a type of telescope, 1767.

Online Etymology Dictionary, © 2010 Douglas Harper
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reflector in Medicine

reflector re·flec·tor (rĭ-flěk'tər)
A surface that reflects light, heat, or sound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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