emission - definition and synonyms

 
 
noun 

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/ɪˈmɪʃ(ə)n/
singularemission
pluralemissions
  1. [countable] a substance, especially a gas, that goes into the air
    emission from:

    Emissions from power stations have declined since 1979.

    1. a.
      [uncountable] the act of sending gas, light, or heat into the air
      emission of:

      the emission of greenhouse gases