[{"word":"dualities","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A classification into two subclasses or opposed parts.","synonyms":[],"antonyms":[]},{"definition":"(projective geometry) The interchangeability of points and planes.","synonyms":[],"antonyms":[]},{"definition":"The mathematical equivalence of two seemingly different theoretical descriptions of a physical system.","synonyms":[],"antonyms":[]}],"synonyms":["dichotomy"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/dualities","https://en.wiktionary.org/wiki/duality"]}]