[ 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

First recorded in 1655–65; reflect + -or2

Related forms

non·re·flec·tor, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for reflector

British Dictionary definitions for reflector


/ (rɪˈflɛktə) /


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

Medicine definitions for reflector


[ rĭ-flĕktər ]


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.