dispersantn.
/dɪˈspəːsənt/ 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.
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dispersant1944
1944 C. 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).
1948 Oil & Gas Jrnl. 8 Jan. 58/1 Dispersants are defined as additives which prevent the flocculation or coagulation of colloidal particles.
1968 New 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.
1971 Sunday Times (Johannesburg) 28 Mar. (Business section) 15/3 (advt.) Governments can today be supplied with oil slick dispersants which will minimize toxic hazards.
This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2018).
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n.1944