Definition of ribonucleic acid in English:

ribonucleic acid

Syllabification: ri·bo·nu·cle·ic ac·id
Pronunciation: /ˌrībōn(y)o͝oˈklē-ik, -ˈklā-ik
 
/

noun

see RNA.

Origin

1930s: ribonucleic from ribose + nucleic acid.

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Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
adjective
middle-aged, but still maintaining youthful interests and activities