Definition of experimental adjective from the Oxford Advanced American Dictionary

     

    experimental

     adjective
    adjective
    NAmE//ɪkˌspɛrəˈmɛntl//
     
     
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  1. 1based on new ideas, forms, or methods that are used to find out what effect they have experimental teaching methods experimental theater/art/music The equipment is still at the experimental stage. Doctors stress that this kind of treatment is still experimental.
  2. 2connected with scientific experiments experimental conditions/data/evidence
experimentally
 
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NAmE//ɪkˌspɛrəˈmɛntl̩i//
 
adverb This theory can be confirmed experimentally. The new drug is being used experimentally on some patients. He moved his shoulder experimentally to see if it still hurt.
See the Oxford Advanced Learner's Dictionary entry: experimental