Definition of beta noun from the Oxford Advanced Learner's Dictionary

     

    beta

     noun
    noun
    BrE BrE//ˈbiːtə//
     
    ; NAmE NAmE//ˈbeɪtə//
     
     
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  1. 1 the second letter of the Greek alphabet (B, β)
  2. 2= beta version
  3. Word Originvia Latin from Greek.
See the Oxford Advanced American Dictionary entry: beta