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[dee-muhl-suh-fahy] /diˈmʌl səˌfaɪ/
verb (used with object), demulsified, demulsifying. Physical Chemistry
to break down (an emulsion) into separate substances incapable of re-forming the emulsion that was broken down.
Related forms
demulsification, noun
demulsifier, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for demulsify
  • After that, n-butanol was added to demulsify the mixture and phase separation made.
  • Chemical addition is first used to break or demulsify emulsified oils in the wastewater.
British Dictionary definitions for demulsify


verb -fies, -fying, -fied
to undergo or cause to undergo a process in which an emulsion is permanently broken down into its constituents
Derived Forms
demulsification, noun
demulsifier, noun
Word Origin
C20: from de- + emulsify
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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