nucleotide

from WordNet (r) 3.0 (2006)

nucleotide
    n 1: a phosphoric ester of a nucleoside; the basic structural
         unit of nucleic acids (DNA or RNA) [syn: {nucleotide},
         {base}]

from The Collaborative International Dictionary of English v.0.48

nucleotide \nucleotide\ n.
   a phosphate ester of a nucleoside; one of the monomeric
   components of DNA or RNA.
   [WordNet 1.5 +PJC]

[email protected]