/ɪˈmʌlsɪfaɪ ||; ɪˈmʌlsəˌfaɪ/verb [I,T] (present participle emulsifying third person singular present emulsifies;past tense past participle emulsified) if two liquids of different thicknesses emulsify or are emulsified, they combine to form a smooth mixture 使乳化