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pentane |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentane \Pen"tane\, n. [See {Penta-}.] (Chem.) Any one of the three metameric hydrocarbons, {C5H12}, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.