[ noo-klee-uh-sahyd, nyoo- ]
/ ˈnu kli əˌsaɪd, ˈnyu- /
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.
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Words nearby nucleoside
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for nucleoside
/ (ˈnjuːklɪəˌsaɪd) /
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
[ nōō′klē-ə-sīd′ ]
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
[ 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.