potassiumnoun [ U ]
uk/pəˈtæs.i.əm/us/pəˈtæs.i.əm/symbol Ka silver-white chemical element that, when combined with other elements, is used in the production of soap, glass, and fertilizers (= substances that help plants to grow)
Thesaurus: synonyms and related words
Chemical elements
- alkali metal
- antimony
- calcium
- carbonic
- carbonic acid
- cesium
- cl
- graphene
- lithium
- nickel
- plutonium
- quicksilver
- selenium
- sodium
- strontium
- sulphur
- transition metal
- urea
- vanadium
- zinc
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