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View synonyms for

alkaline

[al-kuh-lahyn, -lin]

adjective

Chemistry.
  1. of or like an alkali.

  2. containing an alkali.

  3. having the properties of an alkali.

  4. having a pH value greater than 7.



alkaline

/ ˈæəˌɪ /

adjective

  1. having the properties of or containing an alkali

“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

alkaline

  1. Capable of neutralizing an acid. Bases are alkaline.

  2. Relating to an alkali compound.

  3. Having a pH greater than 7.

  4. Having a relatively low concentration of hydrogen ions.

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Word History and Origins

Origin of alkaline1

First recorded in 1670–80; alkal(i) + -ine 1
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Example Sentences

Examples have not been reviewed.

He said that the DMK alkaline washes have been so effective that his scars have softened in his arm and nearly faded on his chest.

From

The alkaline water with rich mineral composition is the only natural hot spring that flows directly into a building left uncapped in central Los Angeles.

From

The best remedy for high pH, Wallace said, is to add gypsum to your soil and avoid things that can make the soil more alkaline, such as crushed concrete.

From

The liquid is believed to be a type of home-made chilli spray with no strong acid or alkaline ingredients, police added.

From

This question is harder to answer, said Wallace, whose lab is one of the few in Southern California that tests for heavy metals in soil as well as nutrients and alkaline levels.

From

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alkalimetryalkaline earth