/ Dictionary / Index S short-term memory: Meaning and Definition of Find definitions for: short'-term mem'ory Pronunciation: [key] information retained in the brain and retrievable from it over a brief span of time (contrasted with long-term memory). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. short-term short time Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language