rotation groups
nounUK /rəʊˈteɪʃən ɡruːps/
US /roʊˈteɪʃən ɡruːps/
Rotation groups are sets of ways to turn a shape around a point.
In math class, we learned that rotation groups describe how a square can be turned and still look the same.
OTHER MEANINGS
2. Groups of people who take turns doing a job or activity.
The rotation groups of nurses made sure someone was always awake to help patients.
3. Sets of crops that farmers change in a field each season.
The farmer used rotation groups to keep the soil healthy year after year.
4. In sports, groups of players who switch in and out of the game.
The coach made rotation groups so every player got a chance to play.