[{"word":"metasomatism","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The process by which the bulk chemical composition of a rock is changed by the introduction of components from an external source, especially by a hydrothermal fluid.","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/metasomatism"]}]