[{"word":"vasoconstriction","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Constriction or narrowing of a blood vessel.","synonyms":[],"antonyms":["vasodilation"]}],"synonyms":[],"antonyms":["vasodilation"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/vasoconstriction"]}]