单词 | eradicant |
释义 | eradicantadj.n. A. adj. = eradicating adj.; spec. applied to a substance intended to eradicate a particular pest, disease, etc. from the environment in which it is applied. ΘΚΠ the world > life > death > killing > killer of nature > [adjective] systemic1945 eradicant1949 1949 E. J. Butler & S. G. Jones Plant Pathol. vii. 228 In the United States an eradicant spray of sodium dinitrocresylate has been recommended. 1970 Sci. Jrnl. Aug. 64/1 Sulphur..had limited eradicant properties. 1981 Southern Hort. (N.Z.) Spring 29 (advt.) It [sc. Milcurb] has eradicant and protective properties and its activity extends for periods up to 4 weeks. B. n. That which eradicates; spec. an eradicant substance. ΘΚΠ the world > life > death > killing > killer of nature > [noun] biocide1932 eradicant1954 1954 in Webster Add. 1960 W. A. Kreutzer in Horsfall & Dimond Plant Path. III. xi. 458 Volatile chemicals act as eradicants; nonvolatile chemicals most frequently act as protectants. 1971 New Scientist 22 Apr. 208/1 Several poisons have been tried as woodworm eradicants. 1977 Protecting World's Crops (Shell Internat. Petroleum Co.) 4 Eradicants, such as benomyl, include the systemic fungicides. This entry has not yet been fully updated (first published 1993; most recently modified version published online September 2018). < adj.n.1949 |
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