alkaline
UK /ˈæl.kəl.aɪn/ US /ˈæl.kəl.aɪn/
adj 2noun 1
Definitions
adj
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).
2
Having a pH greater than 7.
noun
1
An alkaline battery.
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