C1adjectivesciencehealth
US/ˈæl.kə.laɪn/
UK/ˈæl.kə.laɪn/
containing a substance that can neutralize acid; having a pH higher than 7
In context
Soap is slightly alkaline, which helps it break down grease.
Most plants grow badly in very alkaline soil.
Alkaline batteries last longer than older types in a TV remote.
Words that go with alkaline
adjective + noun
- alkaline batteryReplace the old cells with a new alkaline battery.
- alkaline soilLime can make alkaline soil even harder to farm.
- alkaline solutionAdd the powder to make an alkaline solution.
- alkaline waterSome people pay extra for bottled alkaline water.
adverb + adjective
- slightly alkalineBlood is slightly alkaline, with a pH near 7.4.
- strongly alkalineBleach is strongly alkaline and can burn the skin.