bissextile
containing or noting the extra day of leap year: The years 1980 and 1984 were both bissextile.
Origin of bissextile
1Words Nearby bissextile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use bissextile in a sentence
I refer you to Montucla, if you have any doubt about the Egyptian year being of 365 days without bissextile of any kind.
Personal Recollections, from Early Life to Old Age, of Mary Somerville | Mary SomervilleThe fourth year was bissextile, and the dominical letters were F, E; the following year D, and so on.
The bissextile is known to have been used by the Mayas, Tzendals, and Quichés, and it was probably common.
Ancient America, in Notes on American Archaeology | John D. BaldwinCan we therefore believe that the Egyptians before this period were ignorant of the bissextile intercalation?
This fourth year was denominated bissextile, because the sixth day before the Kalends of March was reckoned twice.
Letters on Astronomy | Denison Olmsted
British Dictionary definitions for bissextile
/ (bɪˈsɛkstaɪl) /
(of a month or year) containing the extra day of a leap year
a rare name for leap year
Origin of bissextile
1Collins 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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