- a person or thing that reflects.
- a body, surface, or device that reflects light, heat, sound, or the like.
- See under telescope (def. 1).
- a substance, as graphite or heavy water, used to prevent the escape of neutrons from the core of a nuclear reactor.
- 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