英和和英

発音

• IPA^(key): /luːˈneɪʃən/
• 韻: -eɪʃən
• ハイフネーション: lu‧na‧tion

名詞

lunation (複数形 lunations)

1. A month of an average of approximately 29.53 days, measured from a lunar phase until the return of that same phase.
   • 1357, John Mandeville, The Travels of Sir John Mandeville‎^[1], modernized spelling edition:

     And there is not the moon seen in all the lunation, save only the second quarter.

2. The irregular period from one new moon until the next.

同意語

• synodic month
• lunar month