单词 | parathion |
释义 | parathion|pærəˈθaɪən| [f. the elements para-1 2 b and thio- in its chemical names + -n.] An organophosphorus insecticide which is also highly toxic to mammals and is available in commercial preparations similar to those of malathion; diethyl-p-nitrophenylthiophosphate, (C2H5O)2·PS·O·C6H4NO2.
1947Jrnl. Econ. Entomol. XL. 915/2 (heading) Parathion for control of green peach aphid. Ibid., Parathion may be formulated into emulsions, dusts and wettable powders. 1953Sci. Amer. July 62/2 A slow-acting insecticide—e.g., parathion—may have a devastating effect on a bee colony. 1958E. Hyams Taking it Easy ii. 198, I noticed Red Spider mite on some newly-budded peach trees... I went to my small store of parathion. 1960Jrnl. R. Hort. Soc. LXXXV. iii. 127 A parathion smoke was used and..200 dead beetles were collected from the floor and staging. 1970Daily Tel. 22 Aug. 3/1 On the fruit and vegetable farms of California..it is not uncommon for workers coming in contact with parathion to faint, become nauseated, or go into convulsions. 1977Jrnl. R. Soc. Arts CXXV. 566/2 In 1950 parathion, the first of many powerful organic phosphorus materials, gave positive control of Red Spider Mites. |

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