Definition of exploration noun from the Oxford Advanced American Dictionary

     

    exploration

     noun
    noun
    NAmE//ˌɛkspləˈreɪʃn//
     
    [countable, uncountable]
     
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  1. 1the act of traveling through a place in order to find out about it or look for something in it the exploration of space oil exploration (= searching for oil in the ground)
  2. 2an examination of something in order to find out about it the book's explorations of the human mind
See the Oxford Advanced Learner's Dictionary entry: exploration