Meaning of EMULSION in English

[noun] [C] - the mixture resulting when one liquid is added to another and is mixed with it but does not dissolve into itMixing oil and vinegar together produces an emulsion.An emulsion of very small grains of silver bromide and gelatin is used to make the surface of photographic film sensitive to light.Cream is a yellowish oil-in-water emulsion which forms when milk is allowed to stand.Emulsion (paint) is water-based and not shiny when it is dry.Use emulsion for the walls and ceiling and gloss for the doors and window frames.

Cambridge English vocab.      Кембриджский английский словарь.