[{"word":"nitrox","phonetic":"/ˈnaɪtɹɒks/","phonetics":[{"text":"/ˈnaɪtɹɒks/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/nitrox-uk.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=90826819","license":{"name":"BY-SA 4.0","url":"https://creativecommons.org/licenses/by-sa/4.0"}},{"text":"/ˈnaɪtɹɑks/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An industrial process for case hardening (imparting greater surface hardness to) metal objects, involving nitrocarburizing (the diffusion of carbon and nitrogen into the metal) followed by oxidation.","synonyms":[],"antonyms":[]},{"definition":"(underwater diving) A mixture of nitrogen and oxygen, the nitrogen content being lower than what is normally present in air, which is used in place of air as a breathing gas.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/nitrox"]}]