Look-up History
Your look-up history is saved temporarily in the session. Please log in to saved it in your own account, and subscribe for unlimited saving.
Show words looked up
Word![Sort by Word Sort by Word](images/arrow_down.gif) |
# |
Date![Sort by Date Sort by Date](images/arrow_down_h.gif) |
Definition |
Site |
Level |
potassium |
1 |
today |
a soft, silver-white metal that is one of the chemical elements. Potassium is used in making fertilizer, soap, glass, and explosives. It occurs in nature only in compounds with other elements. (symbol: K) |
Main |
Int. |