butane

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.

• IPA^(key): /ˈbjuːteɪn/

• Audio (US):

  (file)

• Rhymes: -uːteɪn

butane (countable and uncountable, plural butanes)

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

• E943a (when used as a propellant)

• alkane
• ethane
• methane
• pentane
• propane

• batune

• IPA^(key): /by.tan/

• Audio (Paris):

  (file)

butane m (plural butanes)

1. butane
2. n-butane synonym of n-butane

   Synonym: n-butane

• cyclobutane
• isobutane
• n-butane

• “butane”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.