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methoprene

[meth-uh-preen] /ˈmɛθ əˌprin/
noun, Chemistry
1.
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.
Origin
1970-1975
1970-75; probably metho(xy-) + pr(opyl) + -ene
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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