Breadcrumb Home > Dictionary > Index L long-term memory: Meaning and Definition of Find definitions for: long'-term mem'ory Pronunciation: [key] information stored in the brain and retrievable over a long period of time, often over the entire life span of the individual (contrasted with short-term memory). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. long-term longtime TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: qiviut Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language