revolution period
nounUK /ˌrɛvəˈluːʃən ˈpɪəriəd/
US /ˌrɛvəˈluːʃən ˈpɪriəd/
The time it takes for something to go all the way around once.
The revolution period of the Moon around Earth is about 27 days.
OTHER MEANINGS
2. The length of time a planet takes to complete one orbit around the Sun.
Earth's revolution period around the Sun is about 365 days.
3. The time needed for a spinning object to turn around once.
The revolution period of that spinning top was two seconds.
4. The time between two repeating events in a cycle.
Scientists measured the revolution period of the binary stars.