Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| quasar |
1 |
today |
any of numerous astronomical objects that emit powerful radio waves and have red shifts associated with great distance from earth; quasi-stellar radio source. |
Main |
Adv. |
| tape measure |
1 |
today |
a long strip of cloth or flexible metal having units such as inches, feet, centimeters, or meters marked on it, used for measuring; measuring tape. |
Main |
Adv. |