ex·plo·ra·tion

[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

re·ex·plo·ra·tion, noun
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Collins
World English Dictionary
exploration (ˌɛkspləˈreɪʃən) [Click for IPA pronunciation guide]
 
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Exploration is always a great word to know.
So is gobo. Does it mean:
a scrap or morsel of food left at a meal.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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
Allowing for the exploration of a problem seems to be the necessary first step
  to formulating any solutions.
As far as space exploration is concerned, the current trajectory isn't going to
  get us anywhere.
Now a new rationale for planetary exploration has emerged-environmentalism.
To me, the issues of exploration and astrobiology are intimately connected.
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