Search Result：atomic number 19
atomic number 19 
(TTS Sound)
(TTS Sound)Overview of noun atomic_number_19
The noun atomic number 19 has 1 sense
- potassium, K, atomic number 19 -- (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)