[rahy-boh-noo-klee-uh-sahyd, -nyoo-]

noun Biochemistry.

a ribonucleotide precursor that contains ribose and a purine or pyrimidine base.

Origin of ribonucleoside

First recorded in 1930–35; ribo(nucleic acid) + nucleoside
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

ribonucleoside in Medicine




A nucleoside that contains ribose as its sugar component; as in uridine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.