/hep"teuh klawr', -klohr'/, n.
a highly toxic, light-tan, waxy solid, C10H5Cl7, used as an insecticide: its manufacture and use are restricted in the U.S.
[1945-50; HEPTA- + CHLOR-2]

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      insecticide closely related to chlordane (q.v.).

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Universalium. 2010.

Look at other dictionaries:

  • heptachlor — ☆ heptachlor [hep′tə klôr΄ ] n. a waxy solid, C10H7Cl7, similar to chlordane, formerly used as an insecticide …   English World dictionary

  • Heptachlor — Chembox new Name = Heptachlor ImageFile = Heptachlor.png ImageName = IUPACName = Section1 = Chembox Identifiers CASNo = 76 44 8 SMILES = ClC1(C(Cl)2Cl)C(C=CC3Cl)C3C2(Cl)C(Cl)=C1Cl Section2 = Chembox Properties Formula = C10H5Cl7 MolarMass =… …   Wikipedia

  • Heptachlor — Strukturformel Allgemeines Name Heptachlor Andere Namen …   Deutsch Wikipedia

  • heptachlor — noun Etymology: hepta + chlorine Date: 1949 a cyclodiene chlorinated hydrocarbon pesticide C10H5Cl7 that causes liver disease in animals and is a suspected human carcinogen …   New Collegiate Dictionary

  • heptachlor — noun An organochlorine compound formerly used as an insecticide …   Wiktionary

  • heptachlor — A chlorinated hydrocarbon insecticide for control of cotton boll weevil. It is a poison which may enter the body via skin contamination, inhalation or ingestion. Because of human toxicity c …   Medical dictionary

  • heptachlor — n. toxic chemical substance formerly used as an insecticide …   English contemporary dictionary

  • heptachlor — hep·ta·chlor …   English syllables

  • heptachlor — /ˈhɛptəklɔ/ (say heptuhklaw) noun a highly toxic waxy solid, C10H5Cl7, used as an insecticide, especially for termites. {hepta + chlor word element denoting chlorine } …   Australian English dictionary

  • heptachlor —   n. chemical pesticide forbidden in the U.K. since 1964 …   Dictionary of difficult words

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