/ Dictionary / Index T temporal summation: Meaning and Definition of Find definitions for: tem'poral summa'tion. Pronunciation: [key] See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. temporal-lobe epilepsy tempora mutantur, nos et mutamur in illis* Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language