synodic month

名词 n.

英文释义

名词 n.
  1. A month of approximately 29.53 days, measured from a lunar phase until the return of that same phase. The long-term average duration is 29.530 588 days (29 d 12 h 44 min 2.8 s), or about 29 ½ days.
  2. The variably cyclic period from one new moon until the next.

词形变化

词源

From synodic + month.
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