potassium: Meaning and Definition of
Pronunciation: (pu-tas'ē-um), [key]
— n. Chem.
- a silvery-white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C.
- potassium (Thesaurus)
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