Pronunciation

change
  • IPA (key): /ɪˈmɪʃən/ or /ɪˈmɪʃn̩/
  • (file)

Singular
emission

Plural
emissions

  1. (countable & uncountable) (usually plural) Emissions are the gas, light, sound, etc. that are sent out.
    Just over half of the total emissions is due to human activity.
  2. (countable & uncountable) Emission is the sending out of gas, light, sound, etc.
    The change prevented the emission of 51.8 million tons of carbon dioxide.
change