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 |
# |
Date |
Definition |
Site |
Level |
| beryllium |
1 |
today |
a hard, light, gray substance that is one of the chemical elements. Beryllium is sometimes combined with other elements to form an alloy. It is also used in building rockets. (symbol: Be) |
Main |
Int. |