maincycle
nounUK /ˈmeɪnˌsaɪkəl/
US /ˈmeɪnˌsaɪkəl/
The main cycle is the most important round of events that happens again and again.
The main cycle of the seasons brings spring, summer, fall, and winter.
OTHER MEANINGS
2. The principal repeating sequence in a machine or process.
The washing machine's main cycle takes about an hour.
3. The chief recurring period in a schedule or plan.
Our main cycle of meetings happens every Monday.
4. The dominant rhythm in a natural system.
Scientists studied the main cycle of the tides.