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rotation
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ro·ta·tion

rotation

 
pronunciation:
ro teI shn
features:
Word Combinations (noun)
part of speech: noun
definition 1: the action of turning on or around an axis.
The rotation of a larger planet is slower than that of a smaller planet.
similar words:
pitch, revolution, roll, spin, turn, twist, wind
definition 2: one cycle of circular movement around an axis; revolution.
The planet Earth completes one rotation in twenty-four hours.
similar words:
revolution, turn
definition 3: a process in which one thing or person is replaced by another in a fixed and repeating order.
We use a rotation for sharing the housework; I'm washing the dishes this week, but Sharon washes them next week, and Tina washes them after that. After Tina, it's me again.
definition 4: one distinct phase in a course of study or duty, particularly that of a nurse or doctor in training.
He's happy to be starting a new rotation next week; he found pediatrics more stressful than he'd imagined.
definition 5: a pool game in which the balls are played in numerical succession.
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derivation: rotational (adj.)