Main Entry: emul·sion

Pronunciation: \i-ˈməl-shən\

Function: noun

Etymology: New Latin emulsion-, emulsio, from Latin emulgēre to milk out, from e- + mulgēre 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