REFLECTOR

reflector

(noun) device that reflects radiation

Source: WordNet® 3.1

Etymology

Noun

reflector (plural reflectors)

Something which reflects heat, light or sound, especially something having a reflecting surface.

A reflecting telescope.

A small, often red, reflecting disk on the rear of a vehicle or bicycle that reflects the headlights of other vehicles.

A safety reflector.

One who reflects on something; one who thinks or considers at length.

Source: Wiktionary

Re*flect"or (-er), n. Etym: [Cf. F. réflecteur.]

1. One who, or that which, reflects. Boyle.

2. (Physics) (a) Something having a polished surface for reflecting light or heat, as a mirror, a speculum, etc. (b) A reflecting telescope. (c) A device for reflecting sound.

Source: Webster’s Unabridged Dictionary 1913 Edition