Definition of nebulization in US English:

nebulization

noun

  • 1Chiefly Medicine. The conversion of a liquid into a fine mist or spray, especially for inhalation therapy. Also: inhalation therapy using this technique; medical treatment using a nebulizer.

  • 2Generally. The transformation of something into a nebulous state; an instance of this.

Origin

Mid 19th century. From nebulize + -ation.