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emulsion

Syllabification: e·mul·sion
Pronunciation: /əˈməlSH(ə)n
 
/

Definition of emulsion in English:

noun

1A fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
Example sentences
  • Liquid polymer emulsions are used for dust control and soil and slope stabilization.
  • An oil-in-water emulsion is created by dispersing oil droplets in an aqueous phase.
  • This allows the fluorescent microspheres to behave like the aqueous droplets in the emulsion.
1.1A fine dispersion of one liquid or pureed food substance in another: ravioli with pea and ginger emulsion
More example sentences
  • The tantalising luncheon menu featured a starter of lemon infused monkfish brochette with a bell pepper emulsion followed by a consomme of chicken raviolis.
  • Once the egg emulsion is at the proper temperature, add hot milk to egg mixture, 1/8 of a cup at a time.
  • Such was the case with a recent special in which morel caps were stuffed with chicken mousse and served in an emulsion of foie gras and truffle juice.
2 (also emulsion paint) A water-based paint used for walls.
Example sentences
  • We also went to the DIY store for garden stuff and for a big bucket of white emulsion paint to brighten up the walls in Graham's workshop.
  • Paint the tip with matt white emulsion paint and allow to dry.
  • The number had been daubed on the wall in off-white emulsion paint next to the boarded up front door.
2.1A light-sensitive coating for photographic films and plates, containing crystals of a silver compound dispersed in a medium such as gelatin.
Example sentences
  • The silver halide crystals in a photographic emulsion are not perfect.
  • To make today's platinum prints, a photographer mixes the emulsion from platinum, gelatin and other ingredients, then hand coats a piece of fine art paper with the mixture.
  • He describes it as a universal developer for modern film emulsions used under diverse conditions, easy to use, and designed to achieve maximum image stain and minimum general stain.

Origin

early 17th century (denoting a milky liquid made by crushing almonds in water): from modern Latin emulsio(n-), from the verb emulgere 'milk out', from e- (variant of ex-) 'out' + mulgere 'to milk'.

More
  • Nowadays we tend to think of it mainly as a household paint for walls and ceilings, whose name comes from the scientific sense of ‘a fine dispersion of minute droplets of one liquid in another’, but emulsion was originally a milky liquid made by crushing almonds in water. Its root is the Latin word mulgere ‘to milk’.

Definition of emulsion in:

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