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Search Result for "atomic number 19":
Wordnet 3.0

NOUN (1)

1. 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;
[syn: potassium, K, atomic number 19]


WordNet (r) 3.0 (2006):

atomic number 19 n 1: 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 [syn: potassium, K, atomic number 19]