dieldrin

[ deel-drin ]
/ ˈdil drɪn /

noun Chemistry.

a light tan, crystalline, water-insoluble, poisonous solid, C12H8OCl6, used as an insecticide: manufacture and use have been discontinued in the U.S.

Origin of dieldrin

First recorded in 1945–50; Diel(s-Al)d(e)r (reaction) + -in2

British Dictionary definitions for dieldrin

dieldrin
/ (ˈdiːldrɪn) /

noun

a crystalline insoluble substance, consisting of a chlorinated derivative of naphthalene: a contact insecticide the use of which is now restricted as it accumulates in the tissues of animals. Formula: C 12 H 8 OCl 6

Word Origin for dieldrin

C20: from Diel ( s-Al) d ( e) r ( reaction) + -in

Medical definitions for dieldrin

dieldrin
[ dī-ĕldrĭn, dēl- ]

n.

A chlorinated hydrocarbon used as an insecticide and in mothproofing.

Scientific definitions for dieldrin

dieldrin
[ dēldrĭn ]

A light tan, toxic, carcinogenic compound used as an insecticide on fruit, soil, and seed, and in controlling tsetse flies and other carriers of tropical diseases. Chemical formula: C12H8Cl6O.