epact

[ ee-pakt ]

/ ˈi pækt /

noun

the difference in days between a solar year and a lunar year.

the number of days since the new moon at the beginning of the calendar year, January 1.

Origin of epact

1545–55; <Late Latin epacta<Greek epaktḗ, noun use of feminine of epaktós added, equivalent to ep-ep- + ag(ein) to lead + -tos verbid suffix

Words nearby epact

Eötvös unit, -eous, Eozoic, EP, EPA, epact, epagoge, Epaminondas, epanalepsis, epanaphora, epanodos

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for epact

The Epact is the number of days which must be added to a lunar year to complete a solar year.
Time and Time-Tellers|James W. Benson
It is, however, only used in those years in which the epact 19 concurs with the golden number 19.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4|Various
The epact thus continues to vary until at the end of nineteen years the new moons return as at first.
Time Telling through the Ages|Harry Chase Brearley
Having determined the epact of the year, it only remains to find Easter Sunday from the conditions already laid down.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4|Various

Thus, when the epact is 17, the new and full moons of March fall on the 13th and 28th.
A Budget of Paradoxes, Volume I (of II)|Augustus De Morgan

British Dictionary definitions for epact

epact

/ (ˈiːpækt) /

noun

the difference in time, about 11 days, between the solar year and the lunar year

the number of days between the beginning of the calendar year and the new moon immediately preceding this

the difference in time between the calendar month and the synodic month

Word Origin for epact

C16: via Late Latin from Greek epaktē, from epagein to bring in, intercalate, from agein to lead

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	epact
释义	epact [ ee-pakt ] / ˈi pækt / noun the difference in days between a solar year and a lunar year. the number of days since the new moon at the beginning of the calendar year, January 1. Origin of epact 1545–55; <Late Latin epacta<Greek epaktḗ, noun use of feminine of epaktós added, equivalent to ep-ep- + ag(ein) to lead + -tos verbid suffix Words nearby epact Eötvös unit, -eous, Eozoic, EP, EPA, epact, epagoge, Epaminondas, epanalepsis, epanaphora, epanodos Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for epact The Epact is the number of days which must be added to a lunar year to complete a solar year. Time and Time-Tellers\|James W. Benson It is, however, only used in those years in which the epact 19 concurs with the golden number 19. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4\|Various The epact thus continues to vary until at the end of nineteen years the new moons return as at first. Time Telling through the Ages\|Harry Chase Brearley Having determined the epact of the year, it only remains to find Easter Sunday from the conditions already laid down. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4\|Various Thus, when the epact is 17, the new and full moons of March fall on the 13th and 28th. A Budget of Paradoxes, Volume I (of II)\|Augustus De Morgan British Dictionary definitions for epact epact / (ˈiːpækt) / noun the difference in time, about 11 days, between the solar year and the lunar year the number of days between the beginning of the calendar year and the new moon immediately preceding this the difference in time between the calendar month and the synodic month Word Origin for epact C16: via Late Latin from Greek epaktē, from epagein to bring in, intercalate, from agein to lead Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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