alkali

noun
al·ka·li | \ ˈal-kə-ˌlī \
plural alkalies or alkalis

Definition of alkali 

1 : a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate broadly : a substance (such as a hydroxide or carbonate of an alkali metal) having marked basic properties — compare base sense 7a

3 : a soluble salt or a mixture of soluble salts present in some soils of arid regions in quantity detrimental to agriculture

Examples of alkali in a Sentence

Recent Examples on the Web

Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, WIRED, "The Powerful Groups Stonewalling a Greener Way to Die," 17 June 2018 Its widespread adoption could increase production at industrial chlor-alkali plants, which are known to emit mercury and other pollutants. Emily Atkin, The New Republic, "The Fight for the Right to Be Cremated by Water," 14 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'alkali.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of alkali

14th century, in the meaning defined at sense 1

History and Etymology for alkali

Middle English, from Medieval Latin, from Arabic al-qili the ashes of the plant saltwort

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Dictionary Entries near alkali

alkahest

Alkaid

alkakengi

alkali

alkali bee

alkali blue

alkalic

Statistics for alkali

Last Updated

16 Sep 2018

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Time Traveler for alkali

The first known use of alkali was in the 14th century

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More Definitions for alkali

alkali

noun

English Language Learners Definition of alkali

chemistry : a substance that has a bitter taste and that forms a salt when mixed with an acid

alkali

noun
al·ka·li | \ ˈal-kə-ˌlī \
plural alkalies or alkalis

Kids Definition of alkali

1 : a substance that has a bitter taste and reacts with an acid to form a salt : base

2 : a salt or a mixture of salts sometimes found in large amounts in the soil of dry regions

alkali

noun
al·ka·li | \ ˈal-kə-ˌlī \
plural alkalies or alkalis

Medical Definition of alkali 

: a substance (as a hydroxide or carbonate of an alkali metal) having marked basic properties — compare base

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Comments on alkali

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