American English

Definition of empirical adjective from the Oxford Advanced American Dictionary

  

empirical

 adjective
adjective
NAmE//ɪmˈpɪrɪkl//
 
[usually before noun]
 
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based on experiments or experience rather than ideas or theories empirical evidence/knowledge/research an empirical study opposite theoretical
NAmE//ɪmˈpɪrɪkli//
 
adverb Such claims need to be tested empirically.
See the Oxford Advanced Learner's Dictionary entry: empirical