noun res·meth·rin \(ˌ)rez-ˈmeth-rin, -ˈmēth-\

Definition of resmethrin

  1. :  a nonpersistent synthetic insecticide C22H26O3 that is a derivative of pyrethrin and is used in aerosols

Origin and Etymology of resmethrin

res- (probably transposed from ester) + -methrin, blend of methyl and -ethrin (as in pyrethrin)

First Known Use: 1971

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