American English

Definition of potassium noun from the Oxford Advanced American Dictionary

 

potassium

 noun
noun
NAmE//pəˈtæsiəm//
 
[uncountable] (symbol K)
 
jump to other results
a chemical element. Potassium is a soft silver-white metal that exists mainly in compounds that are used in industry and farming.
See the Oxford Advanced Learner's Dictionary entry: potassium