[{"word":"rrna","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The structural backbone of ribosomes, which is composed of RNA (ribonucleic acid)","synonyms":[],"antonyms":[]}],"synonyms":["rRNA","ribosomal rRNA","ribosomal ribonucleic acid"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/rRNA","https://en.wiktionary.org/wiki/ribosomal%20RNA","https://en.wiktionary.org/wiki/rrna"]}]