\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

The difference between what's being emitted due to federal land use and what federal lands sequester can help future federal government administrations make energy and leasing decisions. Megan Geuss, Ars Technica, "Drilling on US public lands causes 24 percent of the nation’s CO2 emissions," 27 Nov. 2018 When the Sun emits solar material—for instance, during a solar flare or as part of the solar wind—those particles fly through space and hit the Earth’s magnetosphere. Avery Thompson, Popular Mechanics, "A Group of Scientists Want to Launch a Satellite to Make an Artificial Aurora," 29 Oct. 2018 First there was evidence that the type of blue light our devices emit could disrupt our circadian sleep rhythms. Markham Heid, Good Housekeeping, "8 Easy Tricks for a Much Happier Day," 6 Aug. 2018 Today meat production uses huge amounts of water, and livestock emit more greenhouse gases than all the world’s vehicles. The Economist, "The future of food, served up right here in augmented reality," 7 July 2018 The volcano is constantly emitting gases, Waythomas said. Laurel Andrews, Anchorage Daily News, "Restless Aleutian volcano put back on watch status after lava flows in crater," 27 June 2018 Hot volcanic material, including fine cement-like matter and large rocks, moved through gorges on the sides of the mountain, emitting hot gases and carrying tree trunks torn up by the flow, the volcanology institute warned. Anthony Harrup, WSJ, "Guatemalan Volcano Emits More Ash, Rock as Death Toll Rises," 8 June 2018 On Tuesday, police went door-to-door in Hawaii to roust residents near two new volcanic vents emitting dangerous gases. Doyle Rice, USA TODAY, "Hawaii volcano: Acid rain will fall, but it won't be harmful — and 'vog' is in the forecast," 9 May 2018 The World Bank and other major institutions have increasingly avoided backing projects supported by developing countries that burn coal and other fossil fuels, which emit greenhouse gases that contribute to climate change. Mike Ives, New York Times, "Vietnam Pulls Request for U.S. Help to Build a Coal-Fired Power Plant," 11 Feb. 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

4 Dec 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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More from Merriam-Webster on emit

Rhyming Dictionary: Words that rhyme with emit

Thesaurus: All synonyms and antonyms for emit

Spanish Central: Translation of emit

Nglish: Translation of emit for Spanish Speakers

Britannica English: Translation of emit for Arabic Speakers

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).


to make faulty or ineffective

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