epact
English
Etymology
French épacte, from Ancient Greek ἐπακταί (epaktaí, “intercalary days”), feminine plural of ἐπακτός (epaktós, “brought on or in, added”).
Noun
epact (plural epacts)
- the time (number of days) by which a solar year exceeds twelve lunar months; it is used in the calculation of the date of Easter
Translations
the time by which a solar year exceeds twelve lunar months
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