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单词 mirex
释义

mirexn.

Brit. /ˈmʌɪrɛks/, U.S. /ˈmaɪˌrɛks/
Origin: Of uncertain origin.
Etymology: Origin uncertain. Perhaps < mir-, altered form of myr- (in e.g. myrmeco- comb. form) + -ex comb. form.The name is said to have been officially designated by the U.S. Dept. of Agriculture.
Originally U.S.
An organochlorine insecticide used esp. against ants.
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
1962 Bull. Entomol. Soc. Amer. 8 89/1 The Committee on Insecticide Terminology announces the following proposed common names... Mirex. Dodecachloro~octahydro-1,3,4,-methano-2H-cyclo-buta(cd)pentalene.
1963 Jrnl. Econ. Entomol. 56 296/1 The newly developed mirex..(formerly known as GC 1283) is an analog of Kepone and has exhibited excellent ant poison characteristics with low toxicity to higher animals.
1972 Nature 18 Feb. 353/1Mirex’, the chief weapon used against the fire ant, has been criticized because of its persistence in the environment and its possible toxicity to animals and fish.
1987 Canad. Geographic Oct. 13/3 Contents of these landfill areas include all the known nightmare chemicals: mirex, PCBs, dioxins.
1993 Toronto Sun 17 June 84/1 Mirex levels in chinook salmon have increased over the last few years.
This entry has been updated (OED Third Edition, March 2002; most recently modified version published online March 2022).
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n.1962
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