/ Dictionary / Index D deoxyribonuclease: Meaning and Definition of Find definitions for: de•ox•y•ri•bo•nu•cle•ase Pronunciation: (dē-ok"si-rī"bō-n'klē-ās", -āz", -ny'-), [key] — n. Biochem. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. deoxymannose deoxyribonucleic acid Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language