Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| nervous system |
1 |
today |
the system of nerves and nerve centers in most animals with more than one cell. |
Main |
Int. |
| rock1 |
1 |
today |
a large mass of hard mineral matter that lies under the earth's soil or forms a cliff, mountain, or the like. [4 definitions] |
Main |
Adv. |