English dictionary
heptane
/'h/E/pt/eI/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a colorless volatile highly flammable liquid obtained from petroleum and used as an anesthetic or a solvent or in determining octane ratings
Source: WordNet 3.0
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Any one of several isometric hydrocarbons, C<sub>7</sub>H<sub>16</sub>, of the paraffin series (nine are possible, four are known); -- so called because the molecule has <i>seven</i> carbon atoms. Specifically, a colorless liquid, found as a constituent of petroleum, in the tar oil of cannel coal, etc.
Source: webster1913