noun
Technical or formal term for the release of substances, energy, or signals. Often used in environmental, automotive, and physics contexts.
この車はエミッションが少ない。
This car has low emissions.
エミッション規制が強化された。
Emission regulations have been tightened.
はいしゅつ is the native Japanese term for emission or discharge, used in similar technical contexts but more broadly for any kind of release or exhaust.
Borrowed from English 'emission'.