[{"word":"ultrafiltration","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Filtration through a semipermeable membrane that only allows small molecules through.","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/ultrafiltration"]}]