[{"word":"schlieren","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Regions of a fluid having different refractive index because of their different density.","synonyms":[],"antonyms":[]},{"definition":"Irregular streaks of different composition in some igneous rocks.","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/schlieren"]}]