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adjective

alkaline

relating to or containing an alkali; having a pH greater than 7

In a sentence

Six example sentences with alkaline, each labelled with its topic.

  • Pretzels get their mahogany crust from an alkaline dip, which is why plain baking soda water changes everything.

    Cooking

  • Runoff from the cement works left the pond so alkaline that the frogs abandoned it within one season.

    Environment

  • Soap feels slippery because the alkaline solution reacts with the oils on your skin, not because of any coating.

    Science

  • An alkaline battery holds its charge on the shelf for years, which is why smoke alarms ship with one inside.

    Technology

  • The lab flagged her urine as unusually alkaline, and the doctor asked about the antacids she took after every meal.

    Medicine

  • Lake Natron is so alkaline that few animals drink from it, yet flamingos nest on its salt flats by the thousand.

    Travel

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