First attested in 1677. From alkali, ultimately from Arabic اَلْقِلْي (al-qily, “alkali, ashes of the saltwort”), related to قَلَى (qalā, “to roast in a pan, fry”).
alkaline (plural alkalines)
- An alkaline battery.
alkaline (comparative more alkaline, superlative most alkaline)
- Of, or relating to an alkali, one of a class of caustic bases.
- (chemistry) Having a pH greater than 7.