Epact — • The surplus days of the solar over the lunar year; hence, more freely, the number of days in the age of the moon on 1 January of any given year. The whole system of epacts is based on the Metonic Lunar Cycle, and serves to indicate the days of… … Catholic encyclopedia
Epact — E pact ([=e] p[a^]kt), n. [F. [ e]pacte, fr. Gr. epakto s brought on or in, added, fr. epa gein to bring on or in; epi on, in + a gein to bring or lead. See {Epi }, and {Act}.] (Chron.) The moon s age at the beginning of the calendar year, or the … The Collaborative International Dictionary of English
Epact — The epact (from Greek: epaktai hèmerai = added days) is a quantification of the difference between the solar and lunar calendars. It was defined by the second canon of the Gregorian calendar reform as the number of days by which the common solar… … Wikipedia
epact — [ē′pakt΄] n. [Fr épacte < LL epactae < Gr epaktai (hemerai), intercalary (days) < epagein, to bring in, intercalate < epi , on, in + agein, to bring, lead: see ACT1] 1. the period of about eleven days by which the solar year exceeds… … English World dictionary
epact — 1550s, number of days by which the solar year exceeds a lunar one of 12 moons; also number of days into the moon on which the solar year begins; from Fr. épacte (12c.), from L.L. epacta an intercalary day, from Gk. epaktos, lit. brought in,… … Etymology dictionary
EPAct — The Energy Policy Act of 1992 addresses a wide variety of energy issues. The legislation creates a new class of power generators, exempt wholesale generators (EWGs), that are exempt from the provisions of the Public Utilities Holding Company… … Energy terms
Annual epact — Epact E pact ([=e] p[a^]kt), n. [F. [ e]pacte, fr. Gr. epakto s brought on or in, added, fr. epa gein to bring on or in; epi on, in + a gein to bring or lead. See {Epi }, and {Act}.] (Chron.) The moon s age at the beginning of the calendar year,… … The Collaborative International Dictionary of English
Menstrual epact — Epact E pact ([=e] p[a^]kt), n. [F. [ e]pacte, fr. Gr. epakto s brought on or in, added, fr. epa gein to bring on or in; epi on, in + a gein to bring or lead. See {Epi }, and {Act}.] (Chron.) The moon s age at the beginning of the calendar year,… … The Collaborative International Dictionary of English
Monthly epact — Epact E pact ([=e] p[a^]kt), n. [F. [ e]pacte, fr. Gr. epakto s brought on or in, added, fr. epa gein to bring on or in; epi on, in + a gein to bring or lead. See {Epi }, and {Act}.] (Chron.) The moon s age at the beginning of the calendar year,… … The Collaborative International Dictionary of English
Epact — Name given to the five extra days added to the Egyptian year as a result of the gamble between Thoth and the moon, whereby the latter lost one seventy second part of each day, thereby enabling not only Osiris but also Horus the Elder, Set,… … Who’s Who in non-classical mythology