[{"word":"nucleus","phonetic":"/ˈnjuː.kli.əs/","phonetics":[{"text":"/ˈnjuː.kli.əs/","audio":""},{"text":"/ˈnuːkli.əs/","audio":"https://api.dictionaryapi.dev/media/pronunciations/en/nucleus-us.mp3","sourceUrl":"https://commons.wikimedia.org/w/index.php?curid=965930","license":{"name":"BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"}}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The core, central part of something, around which other elements are assembled.","synonyms":[],"antonyms":[]},{"definition":"An initial part or version that will receive additions.","synonyms":[],"antonyms":[],"example":"This collection will form the nucleus of a new library."},{"definition":"The massive, positively charged central part of an atom, made up of protons and neutrons.","synonyms":[],"antonyms":[]},{"definition":"A large membrane-enclosed organelle found in eukaryotic cells which contains genetic material.","synonyms":[],"antonyms":[]},{"definition":"A ganglion, cluster of many neuronal bodies where synapsing occurs.","synonyms":[],"antonyms":[]},{"definition":"The central part of a syllable, most commonly a vowel.","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/nucleus"]}]