Surface-Active Agent : Any compound that reduces surface tension when dissolved in water or water solutions. See: Surfactant; See also: Aqueous Film-Forming Foam, Wetting Agent
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}