释义 |
epact \ˈēˌpakt, ˈeˌ-\ noun (-s) Etymology: Middle French epacte, from Late Latin epacta, from Greek epaktē, from feminine of epaktos, verbal of epagein to bring in, lead on, intercalate, teach by induction, from epi- + agein to lead, drive — more at agent 1. a. : the number of days' difference between a lunar year and a solar year — called also annual epact b. : the number of days' difference between a lunar month and a calendar month — called also menstrual epact 2. : the age in number of days of the moon at the beginning of the calendar year used in determining the date of Easter |