butane - Wiktionary, the free dictionary (original) (raw)

From Wiktionary, the free dictionary

_i_-butane (2-methyl-propane)

_n_-butane

PIE word
*gʷṓws

IUPAC nomenclature, from but- (“four carbon prefix”) +‎ -ane (“alkane suffix”), the former is derived from the same stem as the foul-smelling carboxylic acid liberated in rancid butter, "butyric acid", hence cognate with butter.

butane (countable and uncountable, plural butanes)

  1. (organic chemistry) A hydrocarbon (either of the two isomers of C4H10, _n_-butane and 2-methylpropane) found in gaseous petroleum fractions.
  2. (organic chemistry, uncountable) The _n_-butane isomer only.

the organic compound

butane m (plural butanes)

  1. butane
  2. _n_-butane
    Synonym: _n_-butane