Etymology
Advertisement

alkaline (adj.)

1670s, "pertaining to alkalis," from alkali + -ine (1). Of soils, from 1850. Related: Alkalinity.

updated on December 13, 2016

Advertisement
Advertisement
Definitions of alkaline from WordNet

alkaline (adj.)
relating to or containing an alkali; having a pH greater than 7;
alkaline soils derived from chalk or limestone
Synonyms: alkalic
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.