Crossword clues for lunation
The Collaborative International Dictionary
Lunation \Lu*na"tion\, n. [Cf. Lunated.] The period of a synodic revolution of the moon, or the time from one new moon to the next; varying in length, at different times, from about 291/4 to 295/6 days, the average length being 29 d., 12h., 44m., 2.9s.
Douglas Harper's Etymology Dictionary
"time from one new moon to another," late 14c., from Medieval Latin lunationem, from luna "moon" (see Luna).
Wiktionary
n. 1 a month of approximately 29.53 days, measured from a lunar phase until the return of that same phase. On average, the number of days between Full Moons is about 29.5306 days. The actual number of days may differ from the average number by more than a half day. From one Full Moon to the next, the number of days in one ''lunation'' can vary between 29.272 and 29.833 days. 2 The irregular period from one new moon until the next.
WordNet
n. the period between successive new moons (29.531 days) [syn: lunar month, moon, synodic month]
Usage examples of "lunation".
Copernicus, and said that if his theories were followed astronomers would not be able to calculate lunations or eclipses.
On land, meridional, a bispherical moon, revealed in imperfect varying phases of lunation through the posterior interstice of the imperfectly occluded skirt of a carnose negligent perambulating female, a pillar of the cloud by day.
We just received word that the Mrav and Grost systems were vaporized within the past lunation.