n.
Pronunciation: i- ' m ə l-sh ə n
Function: noun
Etymology: New Latin emulsion-, emulsio, from Latin emulg ē re to milk out, from e- + mulg ē re to milk; akin to Old English melcan to milk, Greek amelgein
Date: 1612
1 a : a system (as fat in milk) consisting of a liquid dispersed with or without an emulsifier in an immiscible liquid usually in droplets of larger than colloidal size b : the state of such a system
2 : SUSPENSION 2B(3) especially : a suspension of a sensitive silver salt or a mixture of silver halides in a viscous medium (as a gelatin solution) forming a coating on photographic plates, film, or paper