/ Dictionary / Index O oligonucleotide: Meaning and Definition of Find definitions for: ol•i•go•nu•cle•o•tide Pronunciation: (ol"i-gō-n'klē-u-tīd", -ny'-), [key] — n. Biochem. a chain of a few nucleotides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oligomer oligophrenia Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language