nucleotide nu·cle·o·tide (nōō'klē-ə-tīd', nyōō'-)
Any of various compounds consisting of a nucleoside combined with a phosphate group and forming the basic constituent of DNA and RNA.
|nucleotide (n'klē-ə-tīd') Pronunciation Key
Any of a group of organic compounds composed of a nucleoside linked to a phosphate group. Nucleotides are the basic building blocks of nucleic acids.