/ Dictionary / Index T teleseism: Meaning and Definition of Find definitions for: tel•e•seism Pronunciation: (tel'u-sī"zum), [key] — n. Geol. a tremor caused by an earthquake originating a great distance from the seismographic station that records it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. telescreen teleshop Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language