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potassium

Pronunciation: /pəˈtæsiəm/

The English word “potassium” has 2 meanings listed here.

noun

  1. A soft, waxy, silvery reactive metal that is never found unbound in nature; an element with atomic number 19 and atomic weight of 39.0983.
  2. An atom of this element.

Etymology

Coined by British chemist Humphry Davy in 1807, from potassa (a Latinized form of potash) + -ium.

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