[ ri-flek-ter ]
See 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.

  1. See under telescope (def. 1).

  2. 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

Other words from reflector

  • non·re·flec·tor, noun

Words Nearby reflector Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use reflector in a sentence

British Dictionary definitions for reflector


/ (rɪˈflɛktə) /

  1. a person or thing that reflects

  2. a surface or object that reflects light, sound, heat, etc

  1. 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

  2. another name for reflecting telescope

  3. 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