Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| lesson |
1 |
today |
a period of instruction in a particular thing, or something that is intended to be learned or studied. [2 definitions] |
Main |
Int. |
| thermometer |
1 |
today |
an instrument for measuring temperature. Some thermometers are made of a closed glass tube containing mercury or alcohol that rises or falls as the temperature rises or falls. |
Main |
Int. |