emulsion[ē mul′s̸hən, i-]
- The definition of an emulsion is a suspension where an unmixable liquid is held in another liquid.
An example of an emulsion is oil in vinegar.
This mixture of oil and vinegar is an emulsion.
a stable colloidal suspension, as milk, consisting of an immiscible liquid dispersed and held in another liquid by substances called emulsifiers; specif.,
- Pharmacy such a suspension used as a vehicle for medication
- Photog. a suspension of a salt of silver, platinum, etc. in gelatin or collodion, used to coat plates, film, and paper
Origin of emulsionModern Latin emulsio ; from Classical Latin emulsus, past participle of emulgere, to milk or drain out ; from e-, out + mulgere, to milk
- A suspension of small globules of one liquid in a second liquid with which the first will not mix: an emulsion of oil in vinegar.
- A photosensitive coating, usually of silver halide grains in a thin gelatin layer, on photographic film, paper, or glass.
Origin of emulsionNew Latin ēmulsiō, ēmulsiōn-, from Latin ēmulsus, past participle of ēmulgēre, to milk out : ē-, ex-, ex- + mulgēre, to milk; see melg- in Indo-European roots.