Definitions for emulsionɪˈmʌl ʃən
This page provides all possible meanings and translations of the word emulsion
(chemistry) a colloid in which both phases are liquids
"an oil-in-water emulsion"
emulsion, photographic emulsion(noun)
a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
a stable suspension of small droplets of one liquid in another with which it is immiscible
Mayonnaise is an emulsion where egg is used to keep oil and water mixed.
a colloid in which both phases are liquid
the coating of photosensitive silver halide grains in a thin gelatine layer on a photographic film
any liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous substance. (b) In photography, a liquid preparation of collodion holding salt of silver, used in the photographic process
Origin: [From L. emulgere, emulsum: cf. F. mulsion. See Emulge.]
An emulsion is a mixture of two or more liquids that are normally immiscible. Emulsions are part of a more general class of two-phase systems of matter called colloids. Although the terms colloid and emulsion are sometimes used interchangeably, emulsion should be used when both the dispersed and the continuous phase are liquids. In an emulsion, one liquid is dispersed in the other. Examples of emulsions include vinaigrettes, milk, mayonnaise, and some cutting fluids for metal working. The photo-sensitive side of photographic film is an example of a colloid. The word "emulsion" comes from the Latin word for "to milk", as milk is an emulsion of milk fat and water, among other components. Two liquids can form different types of emulsions. As an example, oil and water can form, firstly, an oil-in-water emulsion, where the oil is the dispersed phase, and water is the dispersion medium. Secondly, they can form a water-in-oil emulsion, where water is the dispersed phase and oil is the external phase. Multiple emulsions are also possible, including a "water-in-oil-in-water" emulsion and an "oil-in-water-in-oil" emulsion.
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