| 释义 |
D.D.T|diːdiːˈtiː|
Also DDT.
An abbreviation for dichlorodiphenyltrichloroethane, a white, crystalline, chlorinated hydrocarbon used as an insecticide in the form of a powder, an aqueous emulsion, or a non-aqueous solution. Also attrib. and Comb.
1943Soap & Sanitary Chemicals Dec. 117/1 An insecticide material of similar type is now being made in the United States by Geigy & Co., New York, under the name ‘DDT’. 1944W. S. Churchill Memo. 9 Mar. in 2nd World War (1952) V. 612 The demand for the new insecticide, D.D.T., is urgent and increasing. 1944Chemical Age 9 Sept. 246/2 All the DDT produced is at present reserved for the use of the armed forces. Ibid., The DDT powder..was found effective. 1959New Statesman 13 June 820/3 The mustard is to be powdered by helicopter with a DDT-type chemical. 1964Ann. Reg. 1963 399 The accumulation of D.D.T. now going on in many people's fatty tissues might..be harmful in the long run. 1968M. Pyke Food & Society viii. 118 The chlorinated hydrocarbon pesticides, of which DDT is by far the commonest, are very persistent in soil. |