Definition of guanosine in English:


Syllabification: gua·no·sine
Pronunciation: /ˈgwänəˌsēn


  • A compound consisting of guanine combined with ribose, a nucleoside unit in RNA.
    More example sentences
    • Standards (adenosine, cytidine, guanosine, pseudouridine, and uridine) were used to determine the optimal gradient conditions for separation.
    • Since guanosine is not converted to adenine nucleotides in flies, guanosine must somehow act indirectly, perhaps through a mechanism for balancing nucleotide pools.
    • This clearly indicates that the stems are primarily stabilized by the quartet-cation interactions, which are very similar for inosine and guanosine due to close similarity in their electronic structures.


early 20th century: from guanine, with the insertion of -ose2.

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