po·tas·si·um (p -t s  -m)n. Symbol K A soft, silver-white, highly or explosively reactive metallic element that occurs in nature only in compounds. It is obtained by electrolysis of its common hydroxide and found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.098; melting point 63.65°C; boiling point 774°C; specific gravity 0.862; valence 1. See Table at element. [From potash (from which it was first obtained).] po·tas sic adj. |
Translations
potassic
adj (Chem) → Kalium-, Kali-
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