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"rotation" is also used as a crossword clue. If that's what you saw, the answer is often turn (4 letters).
Definitions
the act of rotating as if on an axis
Word origin
Borrowed from Latin rotātiō. By surface analysis, rotate + -ion.
Used in a sentence
“An extreme version of vorticity is a vortex. The vortex is a spinning, cyclonic mass of fluid, which can be observed in the rotation of water going down a drain, as well as in smoke rings, tornados and hurricanes.”
“The earth's rotation about its axis is responsible for its being slightly oblate rather than a sphere.”
“Earth's moon completes a rotation every twenty-seven days or so.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Turning motion”8 letters
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