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Propeller
1. A device that rotates to push against air or water.
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| Shown is a three-bladed propeller on a airplane. Some propellers have 2, 3, or 4 blades. |
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Propeller
1. A device that rotates to push against air or water.
|
| Shown is a three-bladed propeller on a airplane. Some propellers have 2, 3, or 4 blades. |