1. See under butanol(def 2).

noun Chemistry.

  1. butyl alcohol.
  2. butanol that is made from fossil fuels (petrobutanol) or from certain plants or algae (biobutanol), and which is used as an alternative to gasoline.


  1. a colourless substance existing in four isomeric forms. The three liquid isomers are used as solvents for resins, lacquers, etc, and in the manufacture of organic compounds. Formula: C 4 H 9 OHAlso called: butyl alcohol

  1. Either of the two butyl alcohols that are derived from butane and have a straight chain of carbon atoms. Butanols are used as solvents and in organic synthesis. Chemical formula: C4H10O.

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