English Dictionary

alkaline

/ˈæl.kəl.aɪn/

adj

Of, or relating to an alkali, one of a class of caustic bases. / (chemistry) Having a pH greater than 7.

The alkaline water helped to neutralize the acidity in my stomach.

意味（1）

Of, or relating to an alkali, one of a class of caustic bases.

[Joseph Black's] experiments on magnesia alba, quick lime, and other alkaline substances proved that fixed air is given off when limestone is burned, and that the same loss is incurred when it is dissolved in muriatic acid (hydrochloric acid).

意味（2）

(chemistry) Having a pH greater than 7.