Alkaline battery
noun
a dry cell storage battery with a long life, which uses an alkaline electrolyte of potassium hydroxide
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- Alkaline earth
any of the oxides of barium, radium, strontium, calcium, and, sometimes, magnesium. Historical Examples The acid and alkaline earth must be well diffused through the whole dough. A Dictionary of Arts, Manufactures and Mines Andrew Ure Sulphuret, a combination of an alkaline earth or metal with sulphur as, Sulphuret of iron, a combination of iron […]
- Alkaline-earth metal
any of the group of bivalent metals including barium, radium, strontium, calcium, and, usually, magnesium, the hydroxides of which are alkalis but less soluble than those of the alkali metals. alkaline-earth metal n. Any of a group of metallic elements including calcium, strontium, magnesium, barium, beryllium, and radium. alkaline-earth metal Any of a group of […]
- Alkaline phosphatase
a phosphatase active in an alkaline medium. alkaline phosphatase n. A phosphatase with an optimum functioning at pH 8.6; it is present throughout the body.
- Alkaline soil
noun a soil that gives a pH reaction of 8.5 or above, found esp in dry areas where the soluble salts, esp of sodium, have not been leached away but have accumulated in the B horizon of the soil profile Historical Examples Do any of the nut tree species prefer an acid to an alkaline […]
- Alkaline tide
alkaline tide alkaline tide n. A period of urinary neutrality or alkalinity after meals.