[ ek-spluh-rey-shuh n ]
/ ˌɛk spləˈreɪ ʃən /


an act or instance of exploring or investigating; examination.
the investigation of unknown regions.

Nearby words

  1. exploitation,
  2. exploitation film,
  3. exploitative,
  4. exploiter,
  5. exploits,
  6. explorationist,
  7. exploratory,
  8. explore,
  9. explorer,
  10. explorer tent

Origin of exploration

1535–45; < Latin explōrātiōn- (stem of explōrātiō) an examination, equivalent to explōrāt(us) searched out, examined (past participle of explōrāre to explore) + -iōn- -ion

Related formsre·ex·plo·ra·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for exploration

British Dictionary definitions for exploration


/ (ˌɛkspləˈreɪʃən) /


the act or process of exploring
med examination of an organ or part for diagnostic purposes
an organized trip into unfamiliar regions, esp for scientific purposes; expedition
Derived Formsexploratory (ɪkˈsplɒrətərɪ, -trɪ) or explorative, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for exploration



1540s, from Middle French exploration and directly from Latin explorationem (nominative exploratio), noun of action from past participle stem of explorare (see explore).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for exploration


[ ĕk′splə-rāshən ]


An active examination, usually involving endoscopy or a surgical procedure, to determine conditions present as an aid in diagnosis.
Related formsex•plora•to′ry (ĭk-splôrə-tôr′ē) adj.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.