malathion

plural malathions

1. countableuncountableAn organophosphorus insecticide, Diethyl [(dimethoxyphosphinothioyl)-thio]butanedioate.

   "Although effective in degrading pesticides with P-O bonds, washing of the vegetables sprayed with the thiolester organophosphate insecticide malathion with the enzyme did not yield any improved degradation."

   1 more example

   Ecoparasite control, with appropriate concentrations of carbaryl, malathion, or pyrethrin dusts, is permissible if the agent is applied externally to both test and control animals not less than seven days prior to the start of the test.

   1983, D. E. Kaukeinen, Vertebrate Pest Control and Management Materials, page 102

   Synonyms: carbophos, maldison, mercaptothion