释义 |
dispersant|dɪˈspɜːsənt| [f. disperse v. + -ant1.] An agent which causes a substance to form a dispersion in the surrounding medium, or which helps to maintain an existing state of dispersion; a dispersing agent.
1944C. W. Georgi in Petroleum Refiner Dec. 504/1 To complete the petroleum dictionary, it seems desirable to coin..Dispersant—An agent for imparting dispersing powers or properties. A dispersing agent or medium (noun). 1948Oil & Gas Jrnl. 8 Jan. 58/1 Dispersants are defined as additives which prevent the flocculation or coagulation of colloidal particles. 1968New Scientist 5 Dec. 560/1 A demonstration CL-215 has been fitted with a boom under each wing for the spraying of a ‘dispersant’ on oil slicks. 1971Sunday Times (Johannesburg) (Business Section) 28 Mar. 15/3 (Advt.), Governments can today be supplied with oil slick dispersants which will minimize toxic hazards. |