nu·cle·o·side (n  kl - -s d , ny-)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 [ˈnjuːklɪəˌsaɪd]
n
(Life Sciences & Allied Applications / Biochemistry) Biochem a compound containing a purine or pyrimidine base linked to a sugar (usually ribose or deoxyribose)
[from nucleo- + -ose2 + -ide]
| nucleoside (nkl--sd) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | nucleoside - a glycoside formed by partial hydrolysis of a nucleic acid adenosine - (biochemistry) a nucleoside that is a structural component of nucleic acids; it is present in all living cells in a combined form as a constituent of DNA and RNA and ADP and ATP and AMP glycoside - a group of compounds derived from monosaccharides inosine - a nucleoside that is formed by the deamination of adenosine; used in kidney transplantation to provide a temporary source of sugar deoxyadenosine - a nucleoside component of DNA; composed of adenosine and deoxyribose cytidine, deoxycytidine - a nucleoside component of DNA; composed of cytosine and deoxyribose deoxyguanosine, guanosine - a nucleoside component of DNA; composed of guanine and deoxyribose deoxythymidine, thymidine - a nucleoside component of DNA; composed of thymine and deoxyribose |
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