\ ē-ˈmit How to pronounce emit (audio) \
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

Keep scrolling for more

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.
See More

Recent Examples on the Web

Sulfur aerosols emitted by trans-Arctic shipping, which is newly feasible because of sea-ice disappearance, will offset local warming by -1º C by 2099. Rafil Kroll-zaidi, Harper's magazine, "Findings," 10 June 2019 The chaff was emitted during military testing and, according to weather officials, atmospheric conditions caused it to linger long enough to show up on radar. Leada Gore | Lgore@al.com, al.com, "Remember the Redstone blob? Radar shows another weird spot but you can’t blame this one on military," 6 June 2019 Under the programme, the government first caps the total amount of air particulate matter that can be emitted over a period of time by all the plants together. Kuwar Singh, Quartz India, "India’s Gujarat state launches the world’s first programme to trade particulate air pollutant quotas," 5 June 2019 Pro tip: Pack a change of clothing for nighttime and experience the wonders of a Bioluminescent Bay—a rare phenomenon that occurs when microorganisms emit light into the water (think: fireflies on steroids). Jessi Walker, Marie Claire, "Weekend Trip Guide: Where to Stay, Eat, and Drink in Rincón, Puerto Rico," 25 Apr. 2018 Salmonella bacteria normally hang out in animal intestines — and now, scientists are using machine learning to identify which animal’s intestines emitted the unpleasant and dangerous bacteria. Rachel Becker, The Verge, "Machine learning could help figure out what pooped on your produce," 12 Dec. 2018 This means that materials that emit this wavelength become cooler than the temperature of the surrounding air. Angela Chen, The Verge, "How solar panels could cool our homes while harvesting energy," 12 Nov. 2018 The pendants are embedded with color shifting RWB that emit red, white, and blue tones instead of the typical red, green, and blue. Liz Stinson, Curbed, "This high-design pendant light will keep your plants alive," 4 Oct. 2018 Other theories have included toxins, listening devices that accidentally emitted harmful sounds or even mass hysteria. Author: Steven Lee Myers, Jane Perlez, Anchorage Daily News, "Medical mystery grows as ailment afflicting U.S. envoys is now seen in China," 6 June 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.

See More

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

Keep scrolling for more

Learn More about emit

Statistics for emit

Last Updated

19 Jun 2019

Look-up Popularity

Time Traveler for emit

The first known use of emit was in 1598

See more words from the same year

Keep scrolling for more

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 How to pronounce emit (audio) \
emitted; emitting

Kids Definition of emit

: to send out from a source emit light

Keep scrolling for more

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 take the place or position of

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!