/ Dictionary / Index O oligomer: Meaning and Definition of Find definitions for: o•lig•o•mer Pronunciation: (u-lig'u-mur), [key] — n. Chem. a polymer molecule consisting of a small number of monomers. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oligomenorrhea oligonucleotide 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