/ Dictionary / Index T transfinite number: Meaning and Definition of Find definitions for: transfi'nite num'ber Pronunciation: [key] — Math. Math. an infinite cardinal or ordinal number. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. transfinite transfix Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language