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methoprene

American

[meth-uh-preen] / ˈmɛθ əˌprin /

noun

Chemistry.

a synthetic insect juvenile hormone, C 1 9 H 3 4 O 3 , used as a biological pesticide primarily on mosquito and fly larvae to prevent maturing to the adult state.

1970–75; probably metho(xy-) + pr(opyl) + -ene

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