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

Non-active ingredients, namely ingredients that do not have a therapeutic effect (such as emollients, surfactants, and emulsifiers), cannot currently compete because they are not designed to target specific skin conditions. —Joshua Britton, Time, 2 Apr. 2025

The researchers tried adding emulsifiers and later gelatin from the skin and bones of the birds, but the consistency was off. —Ari Daniel, New York Times, 25 Mar. 2025

Inflammatory response: Many UPFs contain trans fats, emulsifiers and artificial additives that promote chronic inflammation, a key driver of heart disease and obesity. —Ximena Araya-Fischel, Forbes, 25 Mar. 2025

The beauty industry, with its preservatives, emulsifiers, and laboratory formulations, has become the enemy. —Boutayna Chokrane, WIRED, 14 Mar. 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