[{"word":"butane","phonetic":"/ˈbjuːteɪn/","phonetics":[{"text":"/ˈbjuːteɪn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A hydrocarbon (either of the two isomers of C4H10 n-butane, and 2-methyl-propane) found in gaseous petroleum fractions.","synonyms":[],"antonyms":[]},{"definition":"The n-butane isomer only.","synonyms":[],"antonyms":[]}],"synonyms":["E943a"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/butane"]}]