SkyfireDict

alkali   (TTS Sound)

The noun alkali has 2 senses

• base, alkali -- (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")


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