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, or the number of days by which the last new moon has preceded the beginning of the year. [1913 Webster]

{Annual epact}, the excess of the solar year over the lunar year, -- being eleven days.

{Menstrual epact}, or {Monthly epact}, the excess of a calendar month over a lunar. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • annual epact — noun : epact 1a …   Useful english dictionary

  • 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

  • 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

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