[{"word":"methane","phonetic":"/ˈmɛθeɪn/","phonetics":[{"text":"/ˈmɛθeɪn/","audio":""},{"text":"/ˈmiːθeɪn/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/methane-uk.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=1408093"},{"text":"/ˈmɛθeɪn/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/methane-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=1561888","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases.","synonyms":["carbon tetrahydride","methyl hydride"],"antonyms":[],"example":"Cattle emit a large amount of methane."},{"definition":"Any of very many derivatives of methane.","synonyms":[],"antonyms":[]}],"synonyms":["carbon tetrahydride","methyl hydride"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/methane"]}]