potassium
potassium
[pəˈtasɪəm]
noun
potassic
adjective
[pəˈtasɪəm]
noun
- [mass noun]the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali-metal group(Symbol: K)
（化学元素）钾(符号：K) - Potassium is a member of the alkali-metal group, and its compounds occur widely in minerals and in seawater. The metal itself has few uses, but its compounds are used for example in the manufacture of fertilizers, soaps, and glass. In the body, potassium ions are involved in the transmission of nerve impulses and are an important constituent of the fluid within cells
potassic
adjective
- (Mineralogy)(矿).)
- early 19th cent.: from potash (earlier potass, from French potasse) + -ium
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