Definition of alkaline in English:


Line breaks: al¦ka|line
Pronunciation: /ˈalkəlʌɪn


  • Having the properties of an alkali, or containing alkali; having a pH greater than 7: an alkaline soil a slightly alkaline solution Often contrasted with acidic and basic.
    More example sentences
    • Liquid bleach used in the laundry is an alkaline solution of hypochlorite ion.
    • The wood chips are placed in the digester and are cooked in a highly corrosive alkaline solution.
    • The precipitate is then treated with acetic acid and an alkaline material.



Pronunciation: /alkəˈlɪnɪti/
More example sentences
  • Loss of carbon dioxide increases alkalinity and causes a slight diminution in the protein content of the egg.
  • Precipitating water softeners increase alkalinity of the cleaning solution and this may damage skin and other materials being cleaned.
  • Its mild alkalinity works to turn up fatty acids contained in dirt and grease into a form of soap that can be dissolved in water and rinsed easily.

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Pronunciation: skəʊʃ
a small amount; a little