butane

  1. Noun.  (organic compound) A hydrocarbon (either of the two isomers of C4H10 n-butane, and 2-methyl-propane) found in gaseous petroleum fractions.
  2. Noun.  (organic compound, uncountable) The ''n''-butane isomer only.

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This entry was last updated on RefTopia from its source on 3/20/2012.