alkaline
English
WOTD – 29 March 2009
Alternative forms
- alk. (abbreviation)
Etymology
First attested in 1677. From alkali + -ine, ultimately from Arabic اَلْقِلْي (al-qily, “alkali, ashes of the saltwort”), related to قَلَى (qalā, “to roast in a pan, fry”).
Pronunciation
Adjective
alkaline (comparative more alkaline, superlative most alkaline)
- Of, or relating to an alkali, one of a class of caustic bases.
- 1913, James Campbell Brown, A History of Chemistry from the Earliest Times, page 279:
- [Joseph Black's] experiments on magnesia alba, quick lime, and other alkaline substances proved that "fixed air" is given off when limestone is burned, and that the same loss is incurred when it is dissolved in muriatic acid (hydrochloric acid).
- (chemistry) Having a pH greater than 7.
Derived terms
Related terms
Translations
of or relating to an alkali
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having a pH greater than 7
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Translations to be checked
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Further reading
- “alkaline”, in OneLook Dictionary Search.
Italian
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