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

     

    alpha

     noun
    noun
    BrE BrE//ˈælfə//
     
    ; NAmE NAmE//ˈælfə//
     
     
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  1. 1 the first letter of the Greek alphabet (A, α)
  2. 2= alpha version
  3. Word Originvia Latin from Greek.
See the Oxford Advanced American Dictionary entry: alpha