[ rahy-boh-noo-klee-uh-tahyd, -nyoo- ]
/ ˌraɪ boʊˈnu kli əˌtaɪd, -ˈnyu- /

noun Biochemistry.

an ester, composed of a ribonucleoside and phosphoric acid, that is a constituent of ribonucleic acid.

Nearby words

  1. ribonuclease,
  2. ribonucleic,
  3. ribonucleic acid,
  4. ribonucleoprotein,
  5. ribonucleoside,
  6. ribose,
  7. ribose 5-phosphate isomerase,
  8. riboso,
  9. ribosomal rna,
  10. ribosome

Origin of ribonucleotide

First recorded in 1925–30; ribo(nucleic acid) + nucleotide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for ribonucleotide


[ rī′bō-nōōklē-ə-tīd′ ]


A nucleotide that contains ribose as its sugar and usually occurs as a component of RNA.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.