Meaning & use
Reflector
Last updated
An object or surface, such as a mirror or coated material, that redirects light, sound, or other waves.
See it in a sentence
The cyclist attached a reflector to her bike to be visible at night.
Astronomers use a curved mirror as the main reflector in many powerful telescopes.
A note on using this word
A "reflector telescope" uses mirrors rather than lenses to gather and focus light, an approach pioneered by Isaac Newton.
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