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• alk. (abbreviation)

語源

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”).

発音

• (英国発音) IPA: /ˈæl.kəl.aɪn/
• (米国発音) enPR: ălˈkəlīn, IPA: /ˈæl.kə.laɪn/

形容詞

alkaline (comparative more alkaline, superlative most alkaline)

1. 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).

2. (chemistry) Having a pH greater than 7.

   Synonym: basic

   Coordinate term: acidic

派生語

関連する語

• alkalescent
• alkalic
• alkali
• alkaloid

名詞

alkaline (plural alkalines)

1. An alkaline battery.

Further reading

• “alkaline”, in OneLook Dictionary Search.