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

1910-15; nucle(ic) + -ose² + -ide

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

C20: from nucleo- + -ose² + -ide

nucleoside in Medicine

nucleoside nu·cle·o·side (nōō'klē-ə-sīd', nyōō'-)
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.

nucleoside in Science

nucleoside

(n'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.