alkaline

Valid in Scrabble

Scrabble points
12
Words With Friends
15
Letters
8
Pronunciation
/ˈæl.kəl.aɪn/ (UK)
See all 2 pronunciations
/ˈæl.kəl.aɪn/ (UK) · /ˈæl.kə.laɪn/ (US)

Definition of alkaline

3 senses · 2 parts of speech · etymology included

adj

  1. Of, or relating to an alkali, one of a class of caustic bases.
    “[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).”
See all 3 definitions

adj

  1. Of, or relating to an alkali, one of a class of caustic bases.
    “[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. Having a pH greater than 7.

noun

  1. An alkaline battery.

Definitions from Wiktionary, CC BY-SA.

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”).

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