ribonucleoside

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

noun

Biochemistry.

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

Word History and Origins

Origin of ribonucleoside¹

First recorded in 1930–35; ribo(nucleic acid) + nucleoside

Example Sentences

These are produced in many Gammaproteobacteria by a ribonucleotide reductase that acts on the corresponding ribonucleoside triphosphates.

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