[{"word":"nanograms","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A unit of mass equal to 0.000 000 001 grams. Symbol: ng","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/nanogram","https://en.wiktionary.org/wiki/nanograms"]}]