Meaning of heptachlor

hep•ta•chlor

Pronunciation: (hep'tu-klôr", -klōr"), [key]
— n.
  1. a highly toxic, light-tan, waxy solid, CHCl, used as an insecticide: its manufacture and use are restricted in the U.S.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.