[{"word":"opal","phonetic":"/ˈəʊpəl/","phonetics":[{"text":"/ˈəʊpəl/","audio":""},{"text":"/ˈoʊpəl/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity, of the chemical formula SiO2·nH2O.","synonyms":[],"antonyms":[]},{"definition":"A colloquial name used in molecular biology referring to a particular stop codon sequence, \"UGA.\"","synonyms":[],"antonyms":[]},{"definition":"Any of various lycaenid butterflies of the genus Nesolycaena.","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/opal"]}]