co·​sur·​fac·​tant (ˌ)kō-(ˌ)sər-ˈfak-tənt How to pronounce cosurfactant (audio)
variants or co-surfactant
plural cosurfactants or co-surfactants
: a chemical substance that is used in addition to a surfactant to improve its performance
especially : a second surfactant that is used in conjunction with a primary surfactant

Word History

First Known Use

1970, in the meaning defined above

Time Traveler
The first known use of cosurfactant was in 1970

Dictionary Entries Near cosurfactant

Cite this Entry

“Cosurfactant.” Dictionary, Merriam-Webster, Accessed 30 May. 2024.

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