from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A colourless liquid hydrocarbon, C7H14, of the ethylene series, or any of its isomers.

from the GNU version of the Collaborative International Dictionary of English

  • n. A colorless liquid hydrocarbon, C7H14, of the ethylene series; also, any one of its isomers. Called also heptene.

from The Century Dictionary and Cyclopedia

  • n. A hydrocarbon (C7H14), homologous and polymeric with ethylene, existing in three isomeric forms.


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