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单词 nucleoside
释义

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

First recorded in 1910–15; nucle(o) + -ose2 + -ide

Words nearby nucleoside

nucleophilic, nucleoplasm, nucleoprotein, nucleorrhexis, nucleosidase, nucleoside, nucleoside analogue, nucleosome, nucleosynthesis, nucleotidase, nucleotide
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nucleoside

nucleoside
[ nōōklē-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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for nucleoside

nucleoside
[ nōōklē-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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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