emulsion: Meaning and Definition of


Pronunciation: (i-mul'shun), [key]
— n.
  1. any colloidal suspension of a liquid in another liquid.
  2. such a suspension used in cosmetics.
  3. a liquid preparation consisting of two completely immiscible liquids, one of which, as minute globules coated by a gum or other mucilaginous substance, is dispersed throughout the other: used as a means of making a medicine palatable.
  4. a composition sensitive to some or all of the actinic rays of light, consisting of one or more of the silver halides suspended in gelatin, applied in a thin layer to one surface of a film or the like.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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