Part of speech: noun

The act of emitting, or that which is emitted.

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Usage examples "emission":

  1. When this became relatively small the velocity of the blast would reach its maximum; from which it would decline when the space for emission became very wide, and the pressure behind consequently less. - "Essays: Scientific, Political, & Speculative, Vol. I", Herbert Spencer.
  2. To change how we power our homes and offices, we will invest more in zero- emission coal- fired plants, revolutionary solar and wind technologies, and clean, safe nuclear energy. - "Complete State of the Union Addresses from 1790 to the Present", Various.
  3. The light emission is stimulated by some other means than heat. - "The Nature of Animal Light", E. Newton Harvey.