English to English

adjective (a)

• relating to or containing an alkali; having a pH greater than 7(adj.all)

  Example:
  Alkaline soils derived from chalk or limestone.
  

  Synonym:
  alkalic
  Antonym:
  acidic
  

  source: wordnet30
• Of or pertaining to an alkali or to alkalies; having the properties of an alkali.(adjective)

  source: webster1913