emission
UK/i'miʃən/US/i'miʃәn/
TOEFLB1
Definitions
n.
The release of gas, light, heat, or radiation into the surroundings
排放，散发；发射
n.
A substance, especially a pollutant, that is released
排放物（尤指污染物）
Root Breakdown
Root-derivedThe noun of emit: e- (out) + miss (send) + -ion (act/result). It names both the act of sending out (heat emission) and the stuff sent out — most commonly pollutants (carbon emissions).
Root miss still carries 88 more wordsCommon Collocations
- 1.carbon emissions碳排放
- 2.greenhouse gas emissions温室气体排放
- 3.emission control排放控制
- 4.reduce emissions减少排放
Example Sentences
- 1.
New rules aim to cut carbon emissions by half.
- 2.
The emission of light from the screen strains the eyes.