Maldisonnoun
The pesticide malathion.
Malathionnoun
An organophosphorus insecticide, Diethyl [(dimethoxyphosphinothioyl)-thio]butanedioate.
Malathionnoun
a yellow insecticide used as a dust or spray to control garden pests and house flies and mites
Malathion
Malathion is an organophosphate insecticide which acts as an acetylcholinesterase inhibitor. In the USSR, it was known as carbophos, in New Zealand and Australia as maldison and in South Africa as mercaptothion.