Definition of ALKALIS

noun : ALKALIS

Source: WordNet 3.1

  • 1. (

    ) any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia" ;

  • 2. (

    ) a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture ;

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