emission
/ɪˈmɪʃən/ noun ENVIRONMENTDefinition
› [C, usually plural] an amount of something, especially a gas that harms the environment, that is sent out into the air: emissions of sth The bill is intended to lower emissions of greenhouse gases.cut/reduce/limit emissions Many countries are reluctant to cut emissions if it means sacrificing economic growth. emission cuts/reductions/control California's emissions standards would cut global warming emissions nearly 30% by year 2016.
› [U] the act of sending gas, heat, light, etc. out into the air: Hybrid vehicles reduce the emission of pollutants by about 20%.
(Definition of emission noun from the Cambridge Business English Dictionary
© Cambridge University Press)
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