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 system2: 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