emulsion Hear it!

emulsion definition

emul·sion (ē mul′s̸hən, i-)

noun

a stable colloidal suspension, as milk, consisting of an immiscible liquid dispersed and held in another liquid by substances called emulsifiers; specif.,
  1. Pharmacy such a suspension used as a vehicle for medication
  2. Photog. a suspension of a salt of silver, platinum, etc. in gelatin or collodion, used to coat plates, film, and paper

Etymology: ModL emulsio < L emulsus, pp. of emulgere, to milk or drain out < e-, out + mulgere, to milk

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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