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rib cage
rib eye
rib roast
rib-tickler
RIBA
ribald
ribaldry
riband
ribavirin
ribband
ribbed
ribbing
Ribble
ribbon
Ribbon Falls
ribbon grass
ribbon snake
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ribonucleic acid
ri·bo·nu·cle·ic ac·id [ rbō noo kl ik ássìd ] (plural ri·bo·nu·cle·ic ac·ids)


noun 
Definition:
 
biochemistry 
Full form of  RNA
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