Meaning of ALKALI in English

transcription, транскрипция: [ ˈal-kə-ˌlī ]


( plural -lies or -lis )

Etymology: Middle English, from Medieval Latin, from Arabic al-qili the ashes of the plant saltwort

Date: 14th century

1. : a soluble salt obtained from the ashes of plants and consisting largely of potassium or sodium carbonate ; broadly : a substance (as a hydroxide or carbonate of an alkali metal) having marked basic properties — compare base 7a

2. : alkali metal

3. : a soluble salt or a mixture of soluble salts present in some soils of arid regions in quantity detrimental to agriculture

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.