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potassium

po·tas·si·um

potassium

 
pronunciation:
p tae si m
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition: a chemical element of the alkali metal group that has nineteen protons in each nucleus, that occurs naturally only in compounds such as various salts, and that can be isolated as a soft silver-white solid that oxidizes swiftly in air. (symbol: K)
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  element, milk