Dictionary.com

heptachlor

[ hep-tuh-klawr, -klohr ]
/ ˈhɛp təˌklɔr, -ˌkloʊr /
Save This Word!

noun
a highly toxic, light-tan, waxy solid, C10H5Cl7, used as an insecticide: its manufacture and use are restricted in the U.S.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of heptachlor

First recorded in 1945–50; hepta- + chlor-2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

Scientific definitions for heptachlor

heptachlor
[ hĕptə-klôr′ ]

A white or tan powder used as a pesticide. Because it is highly toxic to humans and is a suspected carcinogen, its use has been largely discontinued. Chemical formula: C10H5Cl7.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK