/ Dictionary / Index D deoxyribonucleoside: Meaning and Definition of Find definitions for: de•ox•y•ri•bo•nu•cle•o•side Pronunciation: (dē-ok"si-rī"bō-n'klē-u-sīd", -ny'-), [key] — n. Biochem. a compound composed of deoxyribose and either a purine or a pyrimidine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deoxyribonucleoprotein deoxyribonucleotide Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language