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emulsifier

noun [C]
 
 
/ɪˈmʌl.sɪ.faɪ.ər/ US  //

Definition

a substance that forms or keeps an emulsion and is often added to processed foods to prevent particular parts from separatingAdditives in food and drinks
(Definition of emulsifier noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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