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单词 allethrin
释义

allethrinn.

Brit. /əˈliːθrɪn/, U.S. /əˈliθrən/, /əˈlɛθrən/
Origin: Formed within English, by compounding. Etymons: allyl n., pyrethrin n.
Etymology: < all- (in allyl n.: compare quot. 1950) + -ethrin (in pyrethrin n.).
A synthetic pyrethroid compound used as a contact insecticide; any of a group of pyrethroids including this compound and its derivatives.Chemical formula: C19H26O3.
ΘΚΠ
the world > physical sensation > use of drugs and poison > poison > [noun] > insecticide or pesticide
acaricide1841
pyrethrum1876
benzene hexachloride1884
systemic1893
alphachloralose1894
pyrethrin1896
hexachlorethane1898
pesticide1933
bomb1944
bug juice1944
adulticide1945
miticide1946
chlordane1947
HCH1947
lindane1949
allethrin1950
Pybuthrin1951
isodrin1953
monosulfiram1953
mirex1962
naled1963
propoxur1964
methiocarb1966
carbofuran1968
aldicarb1969
pirimicarb1970
tickicide1971
methoprene1974
1950 J. B. Moore in Jrnl. Econ. Entomol. 43 207 Seven samples of the allyl analog of cinerin I (hereafter referred to as allethrin) were received from five different sources and were assayed.
1962 New Scientist 6 Dec. 577 A somewhat similar synthetic compound, allethrin,..has partially replaced natural pyrethrum.
1991 C. R. Worthing & R. J. Hance Pesticide Man. (ed. 9) 19 In the case of liquid formulations, insecticidal activities of allethrin are enhanced by pyrethrin synergists.
2003 Scouting Nov. 39 (advt.) The repellent is allethrin, a copy of pyrethrin, a natural and highly effective insecticide.
2010 T. S. S. Dikshith et al. Handbk. Chemicals & Safety 531 Allethrins: Allethrin, D-allethrin, Bioallethrin, S-bioallethrin.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1950
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