nucleoside

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

noun

, Biochemistry.

1. any of the class of compounds derived by the hydrolysis of nucleic acids or nucleotides, consisting typically of deoxyribose or ribose combined with adenine, guanine, cytosine, uracil, or thymine.

nucleoside

/ ˈnjuːklɪəˌsaɪd /

noun

1. biochem a compound containing a purine or pyrimidine base linked to a sugar (usually ribose or deoxyribose)

nucleoside

/ no̅o̅′klē-ə-sīd′ /

1. Any of various compounds consisting of a sugar, usually ribose or deoxyribose, and a nitrogen base (a purine or pyrimidine). Nucleosides are constituents of the nucleotides of nucleic acids. Adenosine and thymidine are nucleosides.

Word History and Origins

Origin of nucleoside¹

First recorded in 1910–15; nucle(o) ( def ) + -ose ² + -ide ( def )

Word History and Origins

Origin of nucleoside¹

C20: from nucleo- + -ose ² + -ide