/ Dictionary / Index E exploration: Meaning and Definition of Find definitions for: ex•plo•ra•tion Pronunciation: (ek"splu-rā'shun), [key] — n. an act or instance of exploring or investigating; examination. the investigation of unknown regions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: exploration (Thesaurus) exploitation explorationist Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language