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Meaning of polynucleotide

pol•y•nu•cle•o•tide

Pronunciation: (pol"ē-n'klē-u-tīd", -ny'-), [key]
— n. Biochem.
  1. a sequence of nucleotides, as in DNA or RNA, bound into a chain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.