bissextile


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bissextile

a leap year
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

bis·sex·tile

 (bī-sĕk′stĭl, -stīl′, bĭ-)
adj.
1. Of or relating to a leap year.
2. Of or relating to the extra day falling in a leap year.
n.
A leap year.

[Late Latin bissextīlis, containing an intercalary day, from bisextus (diēs), bis sextus (diēs) and Latin bisextum, intercalary day : bis, twice; see bis + sextus, sixth (because the sixth day before the Calends of March on February 24 occurred twice every leap year); see sext1.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bissextile

(bɪˈsɛkstaɪl)
adj
(Units) (of a month or year) containing the extra day of a leap year
n
a rare name for leap year
[C16: from Late Latin bissextilis annus leap year, from Latin bissextus, from bi-1 + sextus sixth; referring to February 24, the 6th day before the Calends of March]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

bissextile

(form)
nSchaltjahr nt
adjSchalt-
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
Le calendrier julien est donc un calendrier solaire de 11 mois de 30 et 31 jours chacun auxquels s'ajoutent un mois de 28 jours, plus AaAaAe de jour supplAaAaAeA@mentaire (annAaAaAeA@e bissextile tous les 4 ans), ce qui d une annAaAaAeA@e de 365 jours AaAaAeAa-.
This corresponds to 8 years minus 2 days (or 8 years minus 1 day if the interval includes a non bissextile century year), and approximates within two days to 13 sidereal revolutions of the planet.