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Alkali

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alkali
n. soluble base, any of a class of bases which neutralize acids to form salts (Chemistry)

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Alkali
In chemistry, an alkali (; from Arabic: al-qaly القلي, القالي , “ashes of the saltwort”) is a basicionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0. The adjective alkaline is commonly, and alkalescent less often, used in English as a synonym for basic, especially for soluble bases. This broad use of the term is likely to have come about because alkalis were the first bases known to obey the Arrhenius definition of a base, and they are still among the most common bases.

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alkali

Noun
1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
(synonym) base
(hypernym) compound, chemical compound
(hyponym) pyridine
(derivation) alkalize, alkalise, alkalify, basify
2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture
(hypernym) salt
(derivation) alkalize, alkalise, alkalify, basify


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Alkali (das)
n. alkali, any of a number of bases which neutralize acids (Chemistry)

Babylon Dutch English dictionary

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alkali
adj. alkali, soluble base, any of a class of bases which neutralize acids to form salts (Chemistry)


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