atomic number 19, n.
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
<noun.substance> freq. cnt.: 5 freq. cnt.: 5
K atomic number 19 potassium
semantic pointers
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substance holonym