emit

verb

ē-ˈmit 

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

Synonyms of emit

• radiate
• cast
• emanate
• release

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

Nobel laureate Ernest Rutherford had already shown that radioactive materials sometimes emitted particles, naturally changing the makeup of their atomic nuclei. — Andrea Richard, The Conversation, 2 Oct. 2026

Further, the team also reduced the emitting surface into small areas to reduce junction capacitance and increase current density to ensure that the LEDs had a higher modulation bandwidth. — Ameya Paleja, Interesting Engineering, 1 Oct. 2026

The rule also translates to an extra 90 tons a year of soot particles and 4,870 additional tons a year of smog components such as nitrogen oxides and volatile organic compounds emitted into the air in coming years, experts say. — Arkansas Online, 29 Sep. 2026

The device also emits 630nm red LED light, a wavelength commonly used to support collagen production and soften the look of fine lines over time. — Christa Joanna Lee, Allure, 29 Sep. 2026

Word History

Etymology

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

First Known Use

1598, in the meaning defined at sense 1a

Phrases Containing emit

• re-emit

Rhymes for emit

• acquit
• admit
• armpit
• backlit
• befit
• cockpit
• commit
• dalit
• dendrite
• illite
• misfit
• moonlit

Kids Definition

emit

verb

ē-ˈmit 

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