Definition of emit in US English:

emit

verb

[with object]
  • 1Produce and discharge (something, especially gas or radiation)

    ‘coal-fired power stations continue to emit large quantities of sulfur dioxide’
    • ‘And if they did spiral in, electrons would emit electromagnetic radiation, including light, across a continuous range of frequencies.’
    • ‘A radioactive source will emit these radiations at various frequencies, depending on its activity and its decay mode.’
    • ‘In some patients, the tremors that characterize the disease actually worsened, possibly because the transplanted cells were emitting too much dopamine.’
    • ‘As part of their normal operations, nuclear reactors routinely emit radioactive gases and particles into the air.’
    • ‘Even though the electron is in constant motion, it does not emit electromagnetic radiation from a stationary state.’
    • ‘At a synchrotron radiation source, electrons emit radiation as they are guided by magnets around a storage ring.’
    • ‘Basically when a polished plate is exposed to electromagnetic radiation, it may emit electrons.’
    • ‘Classical mechanics could not accurately predict the spectrum of radiation emitted by a heated body.’
    • ‘According to the equations, black holes appeared to be emitting radiation.’
    • ‘Diesel-fuelled vehicles are not included among the better buys as particles emitted are a threat to health.’
    • ‘Police declined to comment, but a local resident reached by telephone told Reuters that a woman who got off shortly before the explosion said she saw a man board the bus carrying a plastic container emitting smoke.’
    • ‘When something is hot, it emits electromagnetic radiation.’
    • ‘The intensity of the electromagnetic radiation emitted by a source varies as a function of both frequency and direction.’
    • ‘When that happens, the particle emits radiation in the form of a ‘shock wave’, widely known as Cerenkov radiation.’
    • ‘The neutron bombardment transforms certain isotopes of the elements into radioactive species which then emit gamma rays.’
    • ‘In this model the gamma rays are emitted as synchrotron radiation by electrons that are accelerated to much lower energies.’
    • ‘Now he believes that anything emitted from a black hole can be identifiable back to its source.’
    • ‘The two new atoms then emit gamma radiation as they settle into their new states.’
    discharge, release, give off, give out, pour out, send forth, throw out, void, effuse, vent, give vent to, issue
    View synonyms
    1. 1.1 Make (a sound)
      ‘she emitted a sound like laughter’
      • ‘Poppy was huddled in a rabbit hutch, both her ears held flat to her head, making meowing actions but emitting no sound.’
      • ‘Then as the appointment time approaches, the card will emit a sound as a reminder to the patient.’
      • ‘My uncle emitted a sound that I never want to hear again.’
      • ‘The ray serpent squealed in pain, emitting a sound that caused Isabella's skin to crawl.’
      • ‘Like all dolphins, these marine mammals gather information about their environment by emitting high-pitched sounds, or clicks, and analyzing the returning echoes.’
      • ‘It's tiny, out of tune, and emits a bizarre sound.’
      • ‘She emitted a sound - a muffled cry of consternation or a sigh of exasperation, he couldn't be sure which - and swept past him.’
      • ‘She emitted a sound of frustration and tossed her drink in his face.’
      • ‘As I tried jumping out of my bed, I heard myself emit a similar sound; was I in pain too?’
      • ‘Something must have happened while she stood there in a daze; now the immense green monster was loping down the Long Hallway, still emitting occasional muffled bellows.’
      • ‘Pooh briefly emitted a noise that sounded vaguely like some kind of curse.’
      • ‘At the entrance visitors will find a big pink corridor, with speakers emitting the sounds of various alarm clocks; stand there for more than a couple of seconds and the noise will drive you crazy.’
      • ‘It emits a beeping sound, and you can find it with your eyes closed.’
      • ‘The headphones emit a sound that cancels out airplane noise.’
      • ‘The robots emit various sounds during the mating cycle.’
      • ‘The fur will begin to twitch toward them and emit crackling sounds.’
      • ‘It remained hovering for 30 minutes and emitted a sound like several engines working together.’
      • ‘The sound of someone screaming woke me up and I realized I was the one emitting the sound.’
      utter, voice, let out, produce, give vent to, issue, come out with, pronounce, express
      View synonyms
    2. 1.2 Issue formally and with authority; put into circulation, especially currency.

Origin

Early 17th century: from Latin emittere, from e- (variant of ex-) ‘out of’ + mittere ‘send’.

Pronunciation

emit

/əˈmit//əˈmɪt/