[{"word":"hydrogen","phonetic":"/ˈhaɪdɹədʒ(ə)n/","phonetics":[{"text":"/ˈhaɪdɹədʒ(ə)n/","audio":""},{"text":"/ˈhaɪdɹədʒən/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/hydrogen-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=31852"}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.","synonyms":[],"antonyms":[]},{"definition":"Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.","synonyms":[],"antonyms":[]},{"definition":"An atom of the element.","synonyms":[],"antonyms":[]},{"definition":"A sample of the element.","synonyms":[],"antonyms":[]}],"synonyms":["E949","packaging agent","waterstuff"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/hydrogen"]}]