[{"word":"quadrupling","phonetics":[],"meanings":[{"partOfSpeech":"verb","definitions":[{"definition":"To multiply by four.","synonyms":[],"antonyms":[],"example":"Quadrupling four gives sixteen."},{"definition":"To increase by a factor of four.","synonyms":[],"antonyms":[],"example":"Our profits quadrupled when we made the improvements."},{"definition":"To provide four parallel running lines on a given stretch of railway.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["quarter"]},{"partOfSpeech":"noun","definitions":[{"definition":"An act of quadrupling.","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/quadruple","https://en.wiktionary.org/wiki/quadrupling"]}]