1.
rotation, spinning, revolving
The act of turning around a central point or axis.
2.
turnover (business)
The rate at which inventory or capital cycles through a business.
回転 describes circular motion or cyclical processes.
Common expressions:
- 回転寿司 (conveyor belt sushi)
- 回転率 (turnover rate)
- 回転椅子 (swivel chair)
- 高速回転 (high-speed rotation)
- 頭の回転が速い (quick-witted, literally 'fast mental rotation')
Related terms:
- 自転 (rotation on own axis)
- 公転 (revolution around another object)
- スピン (spin - loanword)