potassium
noun
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How to pronounce potassium:

Definition of potassium:

potassium (noun):
a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals see chemical elements table
a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite.

Synonyms for potassium:

atomic number 19
brine
carnallite
k
kainite
metal
metallic element
saltwater
seawater
sylvine
sylvite