cosurfactant
noun
co·sur·fac·tant
(ˌ)kō-(ˌ)sər-ˈfak-tənt 
(ˌ)kō-ˈsər-ˌfak-tənt
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
Cite this Entry
“Cosurfactant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cosurfactant. Accessed 3 Nov. 2025.
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