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Search Result for "cytosine": 
Wordnet 3.0

NOUN (1)

1. a base found in DNA and RNA and derived from pyrimidine; pairs with guanine;
[syn: cytosine, C]


The Collaborative International Dictionary of English v.0.48:

cytosine \cy"to*sine\ (s[imac]"t[-o]*s[i^]n or s[imac]"t[-o]*s[=e]n), n. (Biochemistry) A pyrimidine (C4H5N3O) which is one of the four major basic components of DNA and RNA in most organisms, forming glyosides with ribose and deoxyribose. It is the basic component of cytidine, deoxycytidine, cytosine, cytidine monophosphate, and derivatives of those compounds. [PJC]
WordNet (r) 3.0 (2006):

cytosine n 1: a base found in DNA and RNA and derived from pyrimidine; pairs with guanine [syn: cytosine, C]