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alkali

al·ka·li

alkali

 
pronunciation:
ael k laI
part of speech: noun
inflections: alkalies, alkalis
definition 1: any of a category of base chemicals, made up of hydroxides of certain metals and of ammonium, which neutralize acids to form salts.
similar words:
base
definition 2: a soluble salt found in some soil composition, making it unfit for agriculture.