\ ē-ˈmit \
emitted; emitting

Definition of emit 

transitive verb

1a : to throw or give off or out emit light/heat

b : to send out : eject

2a : to issue with authority especially : to put (something, such as money) into circulation

b obsolete : publish

3 : to give utterance or voice to emitted a groan

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Other words from emit

emitter noun

Examples of emit in a Sentence

The telescope can detect light emitted by distant galaxies. chimneys emitting thick, black smoke The brakes emitted a loud squeal.
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Recent Examples on the Web

In 2010, Chicago emitted the fewest emissions per capita; Will County produced the most emissions per capita; and suburban Cook County produced the most emissions overall, according to the document. Susan Demar Lafferty, Daily Southtown, "CMAP plan draws variety of comments," 14 July 2018 The nuclear measure would reward reactors run by Exelon Corp. and Public Service Enterprise Group Inc. for generating electricity without emitting greenhouse gases. Elise Young, Jim Polson, Jim Efstathiou Jr., Philly.com, "Jersey lawmakers revive plan to build wind farm off Atlantic City coast," 13 Apr. 2018 Like many bioluminescent animals their light is created by a reaction between the light-emitting molecule luciferin and the enzyme luciferase. National Geographic, "Living Fireworks, These Animals Produce Light Shows with Their Bodies," 30 June 2018 But talking and beeping devices, combined with other noise-emitting items like TVs, phones and iPads, have created a high-tech racket. Alina Dizik, WSJ, "Quieting the High-Tech Luxury Home," 28 June 2018 Chromium also absorbs ultraviolet wavelengths of light, but re-emits some of it at a lower energy in the red wavelengths. C. Claiborne Ray, New York Times, "From One Mineral, Brilliant Reds and Bright Blues," 22 June 2018 The 83-year-old company specializes in producing light-emitting-diode lighting used in a variety of markets, including vehicles, mining and aviation. Rick Barrett, Milwaukee Journal Sentinel, "J.W. Speaker, maker of motorcycle headlights, launches $46 million expansion in Germantown," 6 June 2018 Called MicroLED, the screens use different light-emitting compounds than the current OLED displays and promise to make future gadgets slimmer, brighter and less power-hungry. Fortune, "IPhone Screen Makers Are Tanking on a Report that Apple Is Switching to Displays They Can't Make," 29 May 2018 For example, workers in sensitive areas could wear laser-emitting contact lenses for identification purposes, the report says. Don Sweeney, sacbee, "Cue the Superman jokes. Scientists say laser eyes are possible | The Sacramento Bee," 6 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'emit.' 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 emit

1598, in the meaning defined at sense 1a

History and Etymology for emit

Latin emittere to send out, from e- + mittere to send

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Statistics for emit

Last Updated

11 Sep 2018

Look-up Popularity

Time Traveler for emit

The first known use of emit was in 1598

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More Definitions for emit



English Language Learners Definition of emit

: to send (light, energy, etc.) out from a source

: to make (a certain sound)


\ ē-ˈmit \
emitted; emitting

Kids Definition of emit

: to send out from a source emit light

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Comments on emit

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


a magnificent or impressive array

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