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Definition of "nucleoside" [nucleoside]

  • 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "nucleoside" in a sentence
  • "Abacavir Sulfate Tablets are used in combination with other medications to control HIV infection and is included in the ARV class of drugs known as nucleoside reverse transcriptase inhibitors."
  • "The drug is included in a class of drugs known as nucleoside reverse transcriptase inhibitors, and the tablet is a preferred form because of its ease, accuracy and convenience of dosing, according to the company."
  • "Didanosine works by reducing the growth of HIV. It belongs to a class of medications called nucleoside analogues."
  • "Then why does no one call G proteins motors, despite the fact that they harness the energy from hydrolysis of a nucleoside triphosphate to cause a conformational change by the same mechanism seen in myosins and kinesins?"