alkalinity

American  

[al-kuh-lin-i-tee] / ˌæl kəˈlɪn ɪ ti /

noun

Chemistry.

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

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alkalinity British  

/ 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

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Other Word Forms

• hyperalkalinity
  noun
• superalkalinity
  noun

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Etymology

Origin of alkalinity

First recorded in 1780–90; alkaline + -ity

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Example Sentences

See Examples For:

alkalinity

Their discovery centers on a surprisingly overlooked factor called "local pH," which describes the acidity or alkalinity in the immediate surroundings of an electrode.

From Science Daily ● Oct. 12, 2026

Another is ocean alkalinity, in which alkaline rocks are dispersed in the sea to capture carbon and neutralize it in seawater.

From The Wall Street Journal ● Jun. 17, 2026

The results were all over the map, but at least one finding was consistent: All but one of the properties showed evidence of high pH, or increased alkalinity, likely because ash is highly alkaline.

From Los Angeles Times ● Apr. 24, 2025

The effect of haemodialysis is said to mimic the effect of carbon dioxide in the blood – which increases the pH or alkalinity inside red blood cells.

From Salon ● Jan. 29, 2025

Before the spent lye can be run into the evaporator it is necessary to remove the albuminous impurities and soap and to neutralize the excess alkali to between exactly neutral and 0.02% alkalinity.

From Soap-Making Manual A Practical Handbook on the Raw Materials, Their Manipulation, Analysis and Control in the Modern Soap Plant. by E. G. Thomssen

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