lunation

[ loo-ney-shuh n ]

/ luˈneɪ ʃən /

noun

the period of time from one new moon to the next (about 29½ days); a lunar month.

Nearby words

Origin of lunation

1350–1400; Middle English lunacyon < Medieval Latin lūnātiōn- (stem of lūnātiō). See Luna, -ation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lunation

And there is not the moon seen in all the lunation, save only the second quarter.
The Travels of Sir John Mandeville|John Mandeville
Now that lunation having commenced on the 3rd of December, and consisting of thirty days, will end on the 1st of January.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4|Various
The number 28 corresponds with the number of days in a lunation.
Chaucer's Works, Volume 5 (of 7) -- Notes to the Canterbury Tales|Geoffrey Chaucer
In fact, the year and the lunation are to one another very nearly in the proportion of 235 to 19.
Astronomical Myths|John F. Blake

So that in both these cases fever commenced in half a lunation after the contagion was received.
Zoonomia, Vol. II|Erasmus Darwin

British Dictionary definitions for lunation

lunation

/ (luːˈneɪʃən) /

noun

another name for synodic month See month (def. 6)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for lunation

lunation

"time from one new moon to another," late 14c., from Medieval Latin lunationem, from luna "moon" (see Luna).