Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| right angle |
1 |
today |
the angle formed where two perpendicular lines meet. It measures ninety degrees. |
Main |
Int. |
| Erlenmeyer flask |
1 |
today |
a conical laboratory flask with a broad, flat base and a short, narrow neck, used to mix liquids by hand. |
Main |
Adv. |