/ Dictionary / Index D DNA polymerase: Meaning and Definition of Find definitions for: DNA polymerase Pronunciation: [key] any of a class of enzymes involved in the synthesis of deoxyribonucleic acid from its deoxyribonucleoside triphosphate precursors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. DNA fingerprinting DNA probe Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language