resmethrinn.

Brit.

/ˈrɛzmᵻθrɪn/, U.S.

/ˈrɛzməˌθrɪn/

Origin: Formed within English, by compounding. Etymons: English Rothamsted Experimental Station , methyl n., pyrethrin n.

Etymology: < the initial letters of Rothamsted Experimental Station, Harpenden, England (where the compound was first synthesized: see quot. 1988) + meth- (in methyl n.) + -rin (in pyrethrin n.), after pyrethrin n.

A synthetic pyrethroid compound widely used as an insecticide, esp. in sprays.Chemical name: (5-benzyl-3-furyl)methyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate; C₂₂H₂₆O₃.

ΚΠ

1971 Times 22 Jan. 15/4 Resmethrin was developed in a research programme to find insecticides with the desirable properties of the natural pyrethrins but less expensive.

1975 Daily Tel. 25 Oct. 8/2 The answer is to keep a bottle of resmethrin..handy and give any new plants a going over with it.

1988 Parasitol. Today 4 S1 A UK team led by Michael Elliott was synthesizing a series of 5-benzyl-3-furyl methanol chrysanthemates. Among these, resmethrin (‘res’ signified Rothamsted Experimental Station where the team worked) and bioresmethrin..soon found use as domestic insecticides.

1992 Family Handyman Jan. 4/2 To control them, spray with a ready-to-use wasp and hornet killer, one that contains an insecticide such as..resmethrin.

This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022).

单词	resmethrin
释义	resmethrinn. Brit. /ˈrɛzmᵻθrɪn/, U.S. /ˈrɛzməˌθrɪn/ Origin: Formed within English, by compounding. Etymons: English Rothamsted Experimental Station , methyl n., pyrethrin n. Etymology: < the initial letters of Rothamsted Experimental Station, Harpenden, England (where the compound was first synthesized: see quot. 1988) + meth- (in methyl n.) + -rin (in pyrethrin n.), after pyrethrin n. A synthetic pyrethroid compound widely used as an insecticide, esp. in sprays.Chemical name: (5-benzyl-3-furyl)methyl 2,2-dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate; C₂₂H₂₆O₃. ΚΠ 1971 Times 22 Jan. 15/4 Resmethrin was developed in a research programme to find insecticides with the desirable properties of the natural pyrethrins but less expensive. 1975 Daily Tel. 25 Oct. 8/2 The answer is to keep a bottle of resmethrin..handy and give any new plants a going over with it. 1988 Parasitol. Today 4 S1 A UK team led by Michael Elliott was synthesizing a series of 5-benzyl-3-furyl methanol chrysanthemates. Among these, resmethrin (‘res’ signified Rothamsted Experimental Station where the team worked) and bioresmethrin..soon found use as domestic insecticides. 1992 Family Handyman Jan. 4/2 To control them, spray with a ready-to-use wasp and hornet killer, one that contains an insecticide such as..resmethrin. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022). < n.1971
随便看	θ82969 θ8297 θ82970 θ82971 θ82972 θ82973 θ82974 θ82975 θ82976 θ82977 θ82978 θ82979 θ8298 θ82980 θ82981 θ82982 θ82983 θ82984 θ82985 θ82986 θ82987 θ82988 θ82989 θ8299 θ82990