Definition of emission in English:
1The production and discharge of something, especially gas or radiation: the effects of lead emission on health [count noun]: cuts in carbon dioxide emissions
More example sentences
- This random emission of photons leaves the resulting electron beam with a fuzzy, rather than a sharply defined focus.
- Radioactivity is the process of emission of radiation as a radioactive material changes form, often to a different element.
- Radiation emission from mobile phones must be cut by 80 per cent, a group of UK MPs said yesterday.