See more synonyms for reflector on
  1. a person or thing that reflects.
  2. a body, surface, or device that reflects light, heat, sound, or the like.
  3. reflecting telescope.
  4. 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 formsnon·re·flec·tor, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for reflector

mirror, speculum, reflector, gaper, imager

Examples from the Web for reflector

Historical Examples of reflector

British Dictionary definitions for reflector


  1. a person or thing that reflects
  2. a surface or object that reflects light, sound, heat, etc
  3. 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
  4. another name for reflecting telescope
  5. 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

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

reflector in Medicine


  1. 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.