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

In this dishwasher, the traditional rotating lower spray arm has been replaced by an innovative reflector bar that moves from the back to the front of the dishwasher's interior during the cycle. The Good Housekeeping Institute, Good Housekeeping, "Samsung Top Control Chef Collection Dishwasher #DW80H9970US," 17 Mar. 2015 Ducati designers built a black plastic X into the headlight reflector to mimic the tape racers use to protect their headlight lenses from flying stones. Nick Goddard, Popular Mechanics, "The Ducati Scrambler Icon Bike Just Got a Little Sweeter To Ride," 25 Sep. 2018 The design of the cabins echoes the landscape with undulating glass facades that double as a window to the outside and a reflector for the surrounding wilderness. Liz Stinson, Curbed, "Curvy glass cabins bring design to nature," 13 July 2018 The concealing shade is a lightweight formula that cools on application, while the correcting side is designed to hide imperfections, with light reflectors built into the formula. Leah Prinzivalli, Allure, "Flesh Beauty Introduces Hide the Evidence, a Double-Sided Concealer With Two Shades," 13 Aug. 2018 Even better, the transition from absorber to reflector is controllable. Chris Lee, Ars Technica, "Salt-infused graphene creates an infrared cloaking device," 3 Aug. 2018 The bicycles were equipped with reflectors but no lights. Nick Powell, Houston Chronicle, "One dead after vehicle strikes two bicyclists in Galveston," 5 June 2018 Currently, the state employs places a single row of red reflectors every half mile on its freeways. Tony Bizjak, sacbee, "Wrong-way freeway drivers will now be confronted with a ‘sea of red,’ Caltrans says," 15 Jan. 2018 The other instrument is a large-aperture laser angle reflector for ranging measurements between Earth and the spacecraft. Eric Berger, Ars Technica, "China takes a critical first step toward landing on the far side of the Moon," 21 May 2018

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

The first known use of reflector was in 1665

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More Definitions for reflector



English Language Learners Definition of reflector

: an object that is used to reflect light


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

Kids Definition of reflector

: a shiny surface for reflecting light or heat


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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More from Merriam-Webster on reflector

Rhyming Dictionary: Words that rhyme with reflector

Spanish Central: Translation of reflector

Nglish: Translation of reflector for Spanish Speakers Encyclopedia article about reflector

Comments on reflector

What made you want to look up reflector? Please tell us where you read or heard it (including the quote, if possible).


a sum of money that is sent as a payment

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