DIELDRIN

/deel"drin/ , n. Chem.

a light tan, crystalline, water-insoluble, poisonous solid, C 12 H 8 OCl 6 , used as an insecticide: manufacture and use have been discontinued in the U.S.

[ 1945-50; DIEL(S-AL)D(E)R (REACTION) + -IN 2 ]