/ Dictionary / Index G gene amplification: Meaning and Definition of Find definitions for: gene' amplifica"tion Pronunciation: [key] an increase in the frequency of replication of a DNA segment. such an increase induced by a polymerase chain reaction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. genealogy genearch 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