noun
- the period of time from one new moon to the next, approximately 29.5 days
Usage: astronomy
Examples
- A complete lunation cycle takes about 29 and a half days.
- Ancient calendars were often based on lunations rather than solar years.
- The astronomer calculated that twelve lunations equal approximately 354 days.
- Farmers in some cultures still plant crops according to lunation cycles.
- The lunar calendar follows the natural rhythm of lunations.
- Each lunation begins with the appearance of a new moon.