/ Dictionary / Index T time exposure: Meaning and Definition of Find definitions for: time' expo"sure Pronunciation: [key] — Photog. Photog. a long exposure in which the shutter is opened and closed by hand or by a mechanism other than the automatic mechanism of the shutter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. timed-release time frame Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language