rotation
nounUK /rəʊˈteɪʃən/
US /roʊˈteɪʃən/
Rotation is when something turns around in a circle.
The rotation of the Earth gives us day and night.
OTHER MEANINGS
2. A regular order in which people take turns doing a job or activity.
The nurses work in rotation, taking turns on night shifts.
3. One complete turn around a center point.
The wheel makes one rotation every second.
4. The practice of changing crops grown in a field from year to year.
Crop rotation helps keep the soil healthy.