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English definition of “emulsion”

emulsion

noun [C or U] uk   /ɪˈmʌl.ʃən/ us  
a mixture that results when one liquid is added to another and is mixed with it but does not dissolve into it: Mixing oil and vinegar together produces an emulsion. a water-based paint that is not shiny when dry: emulsion paint
(Definition of emulsion from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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