/ Dictionary / Index B base-pairing: Meaning and Definition of Find definitions for: base-pair•ing Pronunciation: (bās'pâr"ing), [key] — n. Biotech. the process of binding separate DNA sequences by base pairs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. base pair base-pairing rules Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language