[{"word":"bornite","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu5FeS and is an important ore of copper.","synonyms":[],"antonyms":[]}],"synonyms":["erubescite","peacock copper","peacock ore"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/bornite"]}]