English dictionary



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English noun: atomic number 19

1. atomic number 19 (substance) 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


SynonymsK, potassium


Broader (hypernym)metal, metallic element


Substance meronymbrine, carnallite, kainite, langbeinite, saltwater, seawater, sylvine, sylvite









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