Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| impression |
1 |
today |
a strong feeling, idea, or opinion that comes from experience with something. [3 definitions] |
Main |
Int. |
| pin |
1 |
today |
a small, stiff wire with a sharp point and usually a flat head. Pins are used to fasten or attach cloth, paper, or other materials. [6 definitions] |
Main |
Int. |
| supervise |
1 |
today |
to direct during the carrying out of a task. |
Kids |
Ch. |
| nuclear fission |
1 |
today |
the splitting of an atomic nucleus into lighter fragments, usu. two of comparable mass, with an accompanying release of energy, as in the explosion of an atomic bomb. |
Kids |
Adv. |