emulsion Meaning, Definition & Usage

  1. noun (chemistry) a colloid in which both phases are liquids
    • an oil-in-water emulsion
  2. noun a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
    photographic emulsion.

WordNet


E*mul"sion noun
Etymology
From L. emulgere, emulsum: cf. F. émulsion. See Emulge.
Definitions
  1. Any liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous substance. (b) In photography, a liquid preparation of collodion holding salt of silver, used in the photographic process.

Webster 1913