alkalinity

[ al-kuh-lin-i-tee ]

noun

, Chemistry.

1. alkaline condition; the quality that constitutes an alkali.

alkalinity

/ ˌælkəˈlɪnɪtɪ /

noun

1. the quality or state of being alkaline
2. the amount of alkali or base in a solution, often expressed in terms of pH

Other Words From

• hyper·alka·lini·ty noun
• super·alka·lini·ty noun

Word History and Origins

Origin of alkalinity¹

First recorded in 1780–90; alkaline + -ity

Example Sentences

The report notes a wide variety of other ways to capture carbon dioxide, including ocean-based approaches like using minerals to increase the alkalinity of seawater.

From MIT Technology Review

Other research groups have also recently found that dissolving olivine in filtered and artificial seawater produced less of an increase in alkalinity than expected, the study noted.

From MIT Technology Review

Over a period of 134 days, they found, the water’s alkalinity actually decreased.

From MIT Technology Review

Enzymes are very sensitive to changes in temperature and to the degree of acidity or alkalinity of the material in which they act.

From Project Gutenberg

Note the extremes of acidity and alkalinity in which macroscopical growth has developed (Range of reaction).

From Project Gutenberg

Moreover, it is but little affected by variations in alkalinity, which render the other finishing point quite useless.

From Project Gutenberg

Alkalinity of commercial potassium cyanide and of cyanide solutions.

From Project Gutenberg

The less pure samples will show an excess of alkalinity because of the presence of sodium carbonate or of potassium carbonate.

From Project Gutenberg