nucleoside

[ noo-klee-uh-sahyd, nyoo- ]
/ ˈnu kli əˌsaɪd, ˈnyu- /

noun Biochemistry.

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.

Origin of nucleoside

1910–15; nucle(ic) + -ose2 + -ide

Words nearby nucleoside

nucleophilic, nucleoplasm, nucleoprotein, nucleorrhexis, nucleosidase, nucleoside, nucleoside analogue, nucleosome, nucleosynthesis, nucleotidase, nucleotide

British Dictionary definitions for nucleoside

nucleoside
/ (ˈnjuːklɪəˌsaɪd) /

noun

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

Word Origin for nucleoside

C20: from nucleo- + -ose ² + -ide

Medical definitions for nucleoside

nucleoside
[ nōō′klē-ə-sīd′ ]

n.

Any of various compounds consisting of a sugar, usually ribose or deoxyribose, and a purine or pyrimidine base, especially a compound obtained by hydrolysis of a nucleic acid, such as adenosine or guanine.

Scientific definitions for nucleoside

nucleoside
[ nōō′klē-ə-sīd′ ]

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.