Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| map |
1 |
today |
a picture of a particular area of the earth or sky drawn or printed to scale on a flat surface. [3 definitions] |
Main |
Int. |
| oxygen |
1 |
today |
a gas with no color or smell that is one of the chemical elements. Oxygen combines with hydrogen to make water. It also makes up about twenty percent of the earth's atmosphere. Most living things need oxygen. (symbol: O) |
Main |
Int. |