Meaning of POTASSIUM in English

POTASSIUM

(n.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium).

Webster's English dictionary.      Английский словарь Webster.