Look-up History
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Show words looked up
Word |
# |
Date |
Definition |
Site |
Level |
| amphibian |
1 |
today |
a small animal that spends part of its life cycle in water and part of its life cycle on land. Amphibians hatch in water and breathe with gills. Then they develop lungs so the adults can breathe air. Amphibians are cold-blooded animals with skeletons inside their bodies. Frogs, toads, and salamanders are amphibians. [2 definitions] |
Kids |
Int. |
| hair |
2 |
today |
a thin, thread-like strand that grows from the skin of humans and other mammals. [3 definitions] |
Kids |
Int. |
| crustacean |
1 |
today |
an aquatic animal with a hard shell and jointed legs. Crustaceans live in fresh or salt water. There are many kinds of crustaceans, including crabs, crayfish, lobsters, and shrimps. Crustaceans are kinds of arthropods. |
Kids |
Int. |
| tundra |
1 |
today |
one of the huge plains in the arctic regions of North America, Europe, and Asia. Trees do not grow on tundra. |
Kids |
Int. |
| film |
1 |
today |
a thin layer or coating. [5 definitions] |
Kids |
Int. |
| happiness |
1 |
today |
the fact or condition of being happy or glad. |
Kids |
Int. |
| instrument |
1 |
today |
a tool or mechanical device used for special work. [2 definitions] |
Kids |
Int. |
| history |
1 |
today |
everything that has happened in the past to people or things, or a telling of these events. [4 definitions] |
Kids |
Int. |
| leisure |
1 |
today |
freedom from work or other duties that take time and effort; free time. |
Kids |
Int. |
| belief |
1 |
today |
a strong opinion. [3 definitions] |
Kids |
Int. |