A white crystalline nucleoside, C9 H13 N3 O5 , composed of one molecule each of cytosine and ribose.
A white, crystalline nucleoside, C9H13N3O5, condensed from cytosine and ribose: it is a major component of RNA.
A nucleoside, C9 H13 N3 O5 , composed of cytosine and ribose.
Other Word Forms
Origin of cytidine
- cyt(o)– –id(e) –ine
From American Heritage Dictionary of the English Language, 5th Edition