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单词 epact
释义

WordReference Random House Unabridged Dictionary of American English © 2024
e•pact  (ē′pakt),USA pronunciation n. 
  1. the difference in days between a solar year and a lunar year.
  2. the number of days since the new moon at the beginning of the calendar year, January 1.
  • Greek epakté̄, noun, nominal use of feminine of epaktós added, equivalent. to ep- ep- + ag(ein) to lead + -tos verbid suffix
  • Late Latin epacta
  • 1545–55

Collins Concise English Dictionary © HarperCollins Publishers::
epact /ˈiːpækt/ n
  1. the difference in time, about 11 days, between the solar year and the lunar year
  2. the number of days between the beginning of the calendar year and the new moon immediately preceding this
Etymology: 16th Century: via Late Latin from Greek epaktē, from epagein to bring in, intercalate, from agein to lead
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更新时间：2025/7/23 9:40:41