Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| boron carbide |
1 |
today |
a very hard black crystalline compound used in nuclear reactor control rods, as reinforcement in structural materials, and as an abrasive. |
Main |
Adv. |
| come to an end |
1 |
today |
to reach the end point; terminate. |
Main |
Adv. |
| B-1 |
1 |
today |
a heavy U.S. jet bomber built for the 1980s. |
Main |
Adv. |
| Jacobean |
1 |
today |
of or pertaining to James I of England or the time of his reign, from 1603 to 1625. |
Main |
Adv. |
| command performance |
1 |
today |
a performance of a play, opera, concert, or the like that is given in response to a royal request or command. |
Main |
Adv. |