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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| lead2 |
1 |
today |
a chemical element that has eighty-two protons in each nucleus and that occurs in pure form as a very dense, malleable bluish gray metal used in many applications requiring high density, such as radiation shielding, shot, and weights. (symbol: Pb) [10 definitions] |
Main |
Adv. |
| lesson |
1 |
today |
a period of instruction in which particular things are taught, or a particular thing or set of things that are to be learned or studied. [7 definitions] |
Main |
Adv. |
| clean |
1 |
today |
not dirty or stained. [6 definitions] |
Kids |
Ch. |