synodic month

Etymology
synodic + month

Noun

 * 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.

Translations

 * Persian: ماه اقترانی
 * Romanian:
 * Russian: синодический ме́сяц


 * Russian: синодический ме́сяц,