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alkalinity

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

noun

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


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of alkalinity

First recorded in 1780–90; alkaline + -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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 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

Do not put the ash or contaminated soil into green bins or compost piles because it could contain toxins, or at the very least, high alkalinity that could be harmful to plants.

From Los Angeles Times Jan. 25, 2025

“And so we had to figure out what kinds of plants can handle the sharp drainage, the alkalinity, any pollution, the lack of organic matter.”

From Seattle Times May 15, 2024

The reason of its favourable action is probably because it neutralises the alkalinity of nitrifying solutions.

From Manures and the principles of manuring by Charles Morton Aikman

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