surfactant

noun

sur·​fac·​tant (ˌ)sər-ˈfak-tənt 

ˈsər-ˌfak-

: a surface-active substance (such as a detergent)

surfactant adjective

Examples of surfactant in a Sentence

Recent Examples on the Web

Your typical can of BKF contains oxalic acid, and a few other abrasives and surfactants that soften grease and remove calcium, lime and other alkaline build-up. —Emily Farris, Bon Appétit, 3 Dec. 2024

For example: Clarifying shampoos contain heavy-duty surfactants to deep-clean. —Heather Jones, Verywell Health, 1 Dec. 2024

Drunk Elephant says those who have a sensitivity to surfactant Mirataine CBS may experience a temporary adverse skin reaction. —Devonne Goode, Parents, 21 Nov. 2024

Petroleum is also used in a variety of solvents, fertilizers, pesticides, detergents and surfactants; mineral oils; asphalt that paves our roads; and adhesives that bind structures together. —Sahit Muja, Forbes, 22 Nov. 2024

Word History

Etymology

surface-active + -ant

First Known Use

1950, in the meaning defined above

Phrases Containing surfactant

• co-surfactant

Medical Definition

surfactant

noun

sur·​fac·​tant (ˌ)sər-ˈfak-tənt, ˈsər-ˌ 

: a surface-active substance

specifically : a surface-active lipoprotein mixture which coats the alveoli and which prevents collapse of the lungs by reducing the surface tension of pulmonary fluids

surfactant adjective