lunation

noun lu·na·tion \ lü-ˈnā-shən \

Definition of lunation

: the period of time averaging 29 days, 12 hours, 44 minutes, and 2.8 seconds elapsing between two successive new moons

Origin and Etymology of lunation

Middle English lunacioun, from Anglo-French lunaison, from Medieval Latin lunation-, lunatio, from Latin luna


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