Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| inconspicuous |
1 |
today |
not likely to be seen or noticed. |
Main |
Int. |
| cobalt |
1 |
today |
a chemical element that has twenty-seven protons in each nucleus and occurs as a brittle silver-white solid metal, used in a variety of alloys to increase hardness. (symbol: Co) |
Main |
Adv. |