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al·ka·line 'al-kə-lən, -.līn adj of, relating to, containing, or having the properties of an alkali or alkali metal: BASIC esp, of a solution having a pH of more than 7
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al·ka·line (alґkə-līn) (-lin) 1. having the reactions of an alkali. 2. having a pH greater than 7.0.Medical dictionary. 2011.