Definition of alkaline adjective from the Oxford Advanced Learner's Dictionary

     

    alkaline

     adjective
    adjective
    BrE BrE//ˈælkəlaɪn//
     
    ; NAmE NAmE//ˈælkəlaɪn//
     
     
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  1. 1(chemistry) having the nature of an alkali
  2. 2(specialist) containing alkali alkaline soil
  3. compare acid
See the Oxford Advanced American Dictionary entry: alkaline