exploration

[ek-spluh-rey-shuhn]
noun
1.
an act or instance of exploring or investigating; examination.
2.
the investigation of unknown regions.

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

reexploration, noun
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World English Dictionary
exploration (ˌɛkspləˈreɪʃən)
 
n
1.  the act or process of exploring
2.  med examination of an organ or part for diagnostic purposes
3.  an organized trip into unfamiliar regions, esp for scientific purposes; expedition
 
exploratory
 
adj
 
ex'plorative
 
adj

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Etymonline
Word Origin & History

exploration
1540s, from M.Fr. exploration and directly from L. explorationem (nom. exploratio), from explorare (see explore).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

exploration ex·plo·ra·tion (ěk'splə-rā'shən)
n.
An active examination, usually involving endoscopy or a surgical procedure, to determine conditions present as an aid in diagnosis.


ex·plor'a·to'ry (ĭk-splôr'ə-tôr'ē) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Abdominal exploration is surgery to examine the contents of the abdomen.
Libraries are central to learning, building communities, and promoting research
  and intellectual exploration.
It used its profits from those businesses to fund new ventures in exploration
  and production.
Then, in its climatic chapter, the story reveals exclusive footage of this
  remarkable undersea exploration.
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