butane

== English == === Etymology === 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. === Pronunciation === IPA(key): /ˈbjuːteɪn/ Rhymes: -uːteɪn === Noun === butane (countable and uncountable, plural butanes) (organic chemistry) A hydrocarbon (either of the two isomers of C4H10, n-butane and 2-methylpropane) found in gaseous petroleum fractions. (organic chemistry, uncountable) The n-butane isomer only. ==== Synonyms ==== E943a (when used as a propellant) ==== Derived terms ==== ==== Related terms ==== alkane ethane methane pentane propane ==== Translations ==== === Anagrams === batune == French == === Pronunciation === IPA(key): /by.tan/ === Noun === butane m (plural butanes) butane n-butane Synonym: n-butane ==== Derived terms ==== cyclobutane isobutane n-butane === Further reading === “butane”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012