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
The moisture activates the surfactants and softening agents embedded in the sheet.
—
Jamie Cuccinelli, Martha Stewart, 8 May 2026
Coated with a specialized surfactant to ensure cell safety, these sensors achieve molecular uniformity, function reliably under physiological conditions, and overcome the limitations of previous quantum sensing technologies.
—Mrigakshi Dixit, Interesting Engineering, 29 Apr. 2026
Liquid Dish Soap and Liquid Laundry Detergent Dish soap is formulated with surfactants designed to cut through food and grease on dishes.
—Jolie Kerr, Better Homes & Gardens, 21 Apr. 2026
Because curls tend to frizz and dry out, most of these shampoos avoid harsh detergents called surfactants.
—Bestreviews, Chicago Tribune, 20 Apr. 2026
See All Example Sentences for surfactant
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Jamie Cuccinelli, Martha Stewart, 8 May 2026
Coated with a specialized surfactant to ensure cell safety, these sensors achieve molecular uniformity, function reliably under physiological conditions, and overcome the limitations of previous quantum sensing technologies.
—Mrigakshi Dixit, Interesting Engineering, 29 Apr. 2026
Liquid Dish Soap and Liquid Laundry Detergent Dish soap is formulated with surfactants designed to cut through food and grease on dishes.
—Jolie Kerr, Better Homes & Gardens, 21 Apr. 2026
Because curls tend to frizz and dry out, most of these shampoos avoid harsh detergents called surfactants.
—Bestreviews, Chicago Tribune, 20 Apr. 2026
See All Example Sentences for surfactant
Cite this Entry
“Surfactant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/surfactant. Accessed 13 May. 2026.
Copy CitationMedical 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
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