sur·fac·tant (s r-f k tnt, sûrfk -)n. 1. A surface-active substance. 2. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung. |
surfactant [sɜːˈfæktənt]
n
(Chemistry) Also called surface-active agent a substance, such as a detergent, that can reduce the surface tension of a liquid and thus allow it to foam or penetrate solids; a wetting agent
adj
(Chemistry) having the properties of a surfactant
[surf(ace)-act(ive) a(ge)nt]
| surfactant (sr-fktnt) 1. A substance that, when dissolved in water, lowers the surface tension of the water and increases the solubility of organic compounds. Surfactants are used in inks to increase the effects of capillary action; detergents are surfactants that help remove organic compounds from a substance by making them dissolve more readily in the water in which the substance is washed. 2. A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and maintains the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | surfactant - a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved emulsifier - a surface-active agent that promotes the formation of an emulsion chemical agent - an agent that produces chemical reactions detergent - a surface-active chemical widely used in industry and laundering |
Translations
surfactant
n (Chem) → Tensid nt
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