• synonyms


See more synonyms for reflector on Thesaurus.com
  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.
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Origin of reflector

First recorded in 1655–65; reflect + -or2
Related formsnon·re·flec·tor, noun
Dictionary.com 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

  • No, my lad, I'm not going to operate on you instanter, but I do want my reflector.

    The Leopard Woman

    Stewart Edward White

  • This was made with his five-and-a-half-foot Gregorian reflector.

  • A refractor is also more convenient to handle than is a reflector.

  • Not even the great Whernside reflector was able to pick it up.

  • Jumping up on a table, he fixed it to the top of the reflector over the gas-jet.

    The Silent Bullet

    Arthur B. Reeve

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
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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.

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Online Etymology Dictionary, © 2010 Douglas Harper

reflector in Medicine


  1. A surface that reflects light, heat, or sound.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.