Adjacent Words

heptane definitions

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WordNet (r) 3.0 (2005)

n
1: a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings

Merriam Webster's

noun Date: 1877 any of several isomeric alkanes C₇H₁₆; especially the liquid normal isomer occurring in petroleum and used especially as a solvent and in determining octane numbers

Oxford Reference Dictionary

n. Chem. a liquid hydrocarbon of the alkane series, obtained from petroleum. Usage: Chem. formula: C7H16 Etymology: HEPTA- + -ANE

Webster's 1913 Dictionary

Heptane Hep"tane, n. [Gr. "epta` seven.] (Chem.) Any one of several isometric hydrocarbons, C7H16, of the paraffin series (nine are possible, four are known); -- so called because the molecule has seven carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.