emulsifier

noun

emul·​si·​fi·​er i-ˈməl-sə-ˌfī(-ə)r 

: one that emulsifies

especially : a surface-active agent (such as a soap) promoting the formation and stabilization of an emulsion

Examples of emulsifier in a Sentence

Recent Examples on the Web

Many commercial ice creams swap eggs for cheaper synthetic emulsifiers. —Yasmin Tayag, The Atlantic, 25 June 2025

Naturally derived emulsifiers may not always be better. —Fran Kritz, Verywell Health, 30 May 2025

Fox News Digital interviewed two medical experts about the potential risks associated with the emulsifier. —Andrea Margolis, FOXNews.com, 10 June 2025

Lecithin may be added to peanut butter as an emulsifier to keep it smoother by preventing the natural separation of the oil from the peanut solids. —Lauren O'Connor, Health, 5 May 2025

Word History

First Known Use

1888, in the meaning defined above

Rhymes for emulsifier

• humidifier
• identifier
• intensifier
• preamplifier
• acquire
• attire
• bonfire
• campfire
• ceasefire
• conspire
• desire
• enquire

Kids Definition

emulsifier

noun

emul·​si·​fi·​er i-ˈməl-sə-ˌfī(-ə)r 

: a substance (as a soap) that helps to form and stabilize an emulsion

Medical Definition

emulsifier

noun

emul·​si·​fi·​er i-ˈməl-sə-ˌfī(-ə)r 

: one that emulsifies

especially : a surface-active agent (as a soap) promoting the formation and stabilization of an emulsion