- insecticide, insect powder - a chemical used to kill insects
--1 is a kind of pesticide
--1 has substances: arsenic, As, atomic number 33
--1 has particulars:pyrethrum; dichlorodiphenyltrichloroethane, DDT; larvacide; lead arsenate; lindane; Malathion; organophosphate; parathion; Paris green; rotenone