emitted; emitting

transitive verb

1
a
: to throw or give off or out
emit light/heat
b
: to send out : eject
2
a
: 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
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.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This signal made the initial detection exciting: on a planet that may have a massive ocean, there is likely a gas that is, on Earth, emitted by biological organisms. Daniel Apai, The Conversation, 18 Apr. 2025 Far-infrared light, associated with longer wavelengths than what even the James Webb Space Telescope can see, is emitted by cosmic dust that has absorbed starlight. Keith Cooper, Space.com, 17 Apr. 2025 Searching images from other telescopes, the astronomers found an object emitting visible and infrared light right at the ORC’s center. Phil Plait, Scientific American, 17 Apr. 2025 So the cosmic dark ages aren’t entirely dark; those clouds of primordial neutral hydrogen are emitting tremendous amounts of 21-cm radiation. ArsTechnica, 16 Apr. 2025 See All Example Sentences for emit

Word History

Etymology

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

First Known Use

1598, in the meaning defined at sense 1a

Time Traveler
The first known use of emit was in 1598

Browse Nearby Words

Cite this Entry

“Emit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/emit. Accessed 24 Apr. 2025.

Kids Definition

emit

verb
emitted; emitting
1
a
: to throw or give off or out
emit light
b
: to send out : eject
2
: utter entry 2 sense 1
emit a groan
Etymology

from Latin emittere "to send out," from e-, ex- "out, forth" and mittere "to send, throw" — related to dismiss, message, missile, transmit

More from Merriam-Webster on emit

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