What does the word emission mean?

Usage examples for 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 by 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 by Various
  3. The light emission is stimulated by some other means than heat. – The Nature of Animal Light by E. Newton Harvey