C1verbformalenvironmentscience
US/iˈmɪt/
UK/ɪˈmɪt/
to send out light, heat, sound, gas or another substance
In context
Old cars often emit far more pollution than new ones.
The machine emitted a high sound just before it stopped.
Fireflies emit a soft light that you can see on warm nights.
Words that go with emit
verb + noun
- emit lightThe screen emits blue light.
- emit carbon dioxideCars emit carbon dioxide when they burn fuel.
- emit gasThe factory emits toxic gas every day.
- emit a soundThe alarm emitted a loud sound.
- emit radiationThe device emits very low radiation.
- emit a smellThe old fridge emitted a strange smell.
Common mistakes
Incorrect:
Factories emit to the air.Correct: Factories emit gas into the air.