reflector

noun

re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
Synonyms of reflectornext
1
: one that reflects
especially : a polished surface for reflecting light or other radiation
2
: a telescope in which the principal focusing element is a mirror

Examples of reflector in a Sentence

safety devices such as bicycle reflectors Reflectors are placed along the lanes of the highway.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
JumpSmart also includes a compass, thermometer, reflector strip, and emergency audible alarm that is perfect for hiking, camping, and off-roading. — ABC News, 8 Aug. 2026 Older halogen setups, particularly the reflector housings common through the 1980s, 1990s, and early 2000s, produced a comparatively soft, warm beam with limited reach. — Matthew MacConnell, ArsTechnica, 3 Aug. 2026 Put reflectors or cones in front of the car and keep an extra charger that plugs into the vehicle so your phone stays alive. — Hanna Wickes, Sacbee.com, 8 July 2026 Stay in the car or nearby shade, put reflectors or cones out in front of the vehicle, and keep an extra car charger handy so your phone doesn’t die before help arrives. — Hanna Wickes, Charlotte Observer, 8 July 2026 See All Example Sentences for reflector

Word History

First Known Use

1665, in the meaning defined at sense 1

Time Traveler
The first known use of reflector was in 1665

Rhymes for reflector

See All Rhymes for reflector

Browse Nearby Words

reflectometer
reflector
reflectorize
See all Nearby Words

Cite this Entry

“Reflector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reflector. Accessed 11 Aug. 2026.

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Kids Definition

reflector

noun
re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
1
: one that reflects
especially : a polished surface for reflecting light or heat
2
: a telescope in which the principal light-gathering element is a mirror

Medical Definition

reflector

noun
re·​flec·​tor ri-ˈflek-tər How to pronounce reflector (audio)
: one that reflects
especially : a polished surface for reflecting light or other radiation
Last Updated: - Updated example sentences
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