reflector

noun
re·​flec·​tor | \ ri-ˈflek-tər How to pronounce reflector (audio) \

Definition of reflector

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 The rear reflector lens may not reflect brightly enough. Detroit Free Press, 5 June 2021 The dish was damaged in August when an auxiliary cable snapped and caused a 100-foot gash on the dish, breaking about 250 of the dish's 40,000 aluminum reflector panels and damaging the receiver platform that hung above it. DÁnica Coto, Star Tribune, 5 Mar. 2021 In the Apollo 11, 14 and 15 landings on the moon, astronauts dropped off small reflector panels made up of the corners of glass cubes. Nora Mcgreevy, Smithsonian Magazine, 20 Aug. 2020 Near Benjamin's body were pieces of a vehicle including a passenger-side mirror, reflector and lights. Paul Walsh, Star Tribune, 28 Jan. 2021 For the last decade, scientists have been shooting powerful laser beams toward a reflector on the Lunar Reconnaissance Orbiter (LRO), a spacecraft that orbits our moon about 240,000 miles from Earth. Nora Mcgreevy, Smithsonian Magazine, 20 Aug. 2020 Cue the 1km diameter wire-mesh parabolic reflector—the Lunar Crater Radio Telescope (LCRT)—which proposer Saptarshi Bandyopadhyay at NASA’s Jet Propulsion Laboratory wants to build in a 3-5km-diameter lunar crater on the Moon’s far-side. Jamie Carter, Forbes, 9 Apr. 2021 This has the five colors that every reflector has and can be folded up and put in a case. Chris Hachey, BGR, 5 May 2021 Oddly enough, the base e-tron has better performing LED projector low-beam and LED reflector high-beam headlights. Austin Irwin, Car and Driver, 13 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'reflector.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of reflector

1665, in the meaning defined at sense 1

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Time Traveler for reflector

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The first known use of reflector was in 1665

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Dictionary Entries Near reflector

reflectometer

reflector

reflectorize

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Cite this Entry

“Reflector.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reflector. Accessed 23 Oct. 2021.

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More Definitions for reflector

reflector

noun

English Language Learners Definition of reflector

: an object that is used to reflect light

reflector

noun
re·​flec·​tor | \ ri-ˈflek-tər How to pronounce reflector (audio) \

Kids Definition of reflector

: a shiny surface for reflecting light or heat

reflector

noun
re·​flec·​tor | \ ri-ˈflek-tər How to pronounce reflector (audio) \

Medical Definition of reflector

: one that reflects especially : a polished surface for reflecting light or other radiation

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