from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various compounds consisting of a nucleoside combined with a phosphate group and forming the basic constituent of DNA and RNA.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the monomer comprising DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group.
from the GNU version of the Collaborative International Dictionary of English
- n. a phosphate ester of a nucleoside; one of the monomeric components of DNA or RNA.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
Alteration of nucleoside.(American Heritage® Dictionary of the English Language, Fourth Edition)
From nucleo- (“relating to the nucleus”) + -ide (“chemical suffix”) (Wiktionary)