Butane

//ˈbjuːteɪn// noun

Definitions

Noun
  1. 1
    A hydrocarbon (either of the two isomers of C₄H₁₀, n-butane and 2-methylpropane) found in gaseous petroleum fractions. countable, uncountable
  2. 2
    occurs in natural gas; used in the manufacture of rubber and fuels wordnet
  3. 3
    The n-butane isomer only. uncountable

Etymology

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.

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