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WordNet-Online 
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| Definitions from the WebPlanets RotationNoun: The rotational movement of a planet around its axis. Example sentence: The planets rotation is responsible for the day and night cycle on Earth. Related products on Amazon: | ||||
| planetary planetary gear planetary house planetary nebula planetesimal planetesimal hypothesis planetoid planets planets rotation planey plangency plangene plangent planification planimeter planing planing machine 
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