Subscriber login


Forgot your password?

Library card login

Other

potassium

Syllabification: (po·tas·si·um)
Pronunciation: /pəˈtasēəm/

Translate potassium | into French | into German | into Italian | into Spanish
Definition of potassium

noun

  • the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali metal group. (Symbol: K)

Derivatives

potassic

Pronunciation: /-ˈtasik/

adjective
( Mineralogy)

Origin:

early 19th century: Latinization of potash or earlier potass (from French potasse) by Sir Humphry Lowry, who first separated the element from potash

potassium in other Oxford dictionaries

Definition of potassium in the British & World English dictionary