| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| heptachlor |
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| SYLLABICATION: | hep·ta·chlor |
| PRONUNCIATION: | h p t -klôr , -kl r |
| NOUN: | A white or tan powder, C10H5Cl7, formerly used as a pesticide, that is highly toxic to humans and is a suspected carcinogen. | | ETYMOLOGY: | hepta + chlor(ine).
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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