/ Dictionary / Index R reduct: Meaning and Definition of Find definitions for: re•duct Pronunciation: (ri-dukt'), [key] — v.t. to reduce. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reducing glass reductase Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language