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BISSEXTIL
(bouvier) | BISSEXTILE. The day which is added every fourth year to the month of
February, in order to make the year agree with the course of the sun. It is
called bissextile, because in the Roman calendar it was fixed on the sixth
day before the calends of March, (which answers to the 24th day of
February,) and this day was counted twice; the first was called bissextus
prior, and the other bissextus posterior, but the latter was properly called
bissextile or intersalary day. Although the name bissextile is still
retained in its obsolete import, we intercalate the 29th of February every
fourth Year, which is called leap year; and for still greater accuracy, make
only one leap year out of every four centenary years. The years 1700 and
1800 were not leap years, nor will the .year A. D. 1900 be reckoned as one,
but the year A. D. 2000 will be a leap year or bissextile. For a learned
account of the Julian and Gregorian calendars, see Histoire du Calendrier
Romain, by Mons. Blondel; also, Savigny Dr. Rom. Sec. 192; and Brunacci's
Tract on Navigation, 275, 6. BLACK ACT, English law. An act of parliament
made in the 9 Geo. II., which tears this name, to punish certain marauders
who committed great outrages, in disguise, and with black faces. See Charlt.
R. 166.
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bissextile
(encz) | bissextile,přestupný rok Zdeněk Brož |
Bissextile
(gcide) | Bissextile \Bis*sex"tile\, n. [L. bissextilis annus, fr.
bissextus (bis + sextus sixth, fr. sex six) the sixth of the
calends of March, or twenty-fourth day of February, which was
reckoned twice every fourth year, by the intercalation of a
day.]
Leap year; every fourth year, in which a day is added to the
month of February on account of the excess of the tropical
year (365 d. 5 h. 48 m. 46 s.) above 365 days. But one day
added every four years is equivalent to six hours each year,
which is 11 m. 14 s. more than the excess of the real year.
Hence, it is necessary to suppress the bissextile day at the
end of every century which is not divisible by 400, while it
is retained at the end of those which are divisible by 400.
[1913 Webster]Bissextile \Bis*sex"tile\, a.
Pertaining to leap year.
[1913 Webster] |
Bissextile year
(gcide) | Year \Year\, n. [OE. yer, yeer, [yogh]er, AS. ge['a]r; akin to
OFries. i?r, g?r, D. jaar, OHG. j[=a]r, G. jahr, Icel. [=a]r,
Dan. aar, Sw. [*a]r, Goth. j?r, Gr. ? a season of the year,
springtime, a part of the day, an hour, ? a year, Zend
y[=a]re year. [root]4, 279. Cf. Hour, Yore.]
[1913 Webster]
1. The time of the apparent revolution of the sun trough the
ecliptic; the period occupied by the earth in making its
revolution around the sun, called the astronomical year;
also, a period more or less nearly agreeing with this,
adopted by various nations as a measure of time, and
called the civil year; as, the common lunar year of 354
days, still in use among the Mohammedans; the year of 360
days, etc. In common usage, the year consists of 365 days,
and every fourth year (called bissextile, or leap year) of
366 days, a day being added to February on that year, on
account of the excess above 365 days (see Bissextile).
[1913 Webster]
Of twenty year of age he was, I guess. --Chaucer.
[1913 Webster]
Note: The civil, or legal, year, in England, formerly
commenced on the 25th of March. This practice continued
throughout the British dominions till the year 1752.
[1913 Webster]
2. The time in which any planet completes a revolution about
the sun; as, the year of Jupiter or of Saturn.
[1913 Webster]
3. pl. Age, or old age; as, a man in years. --Shak.
[1913 Webster]
Anomalistic year, the time of the earth's revolution from
perihelion to perihelion again, which is 365 days, 6
hours, 13 minutes, and 48 seconds.
A year's mind (Eccl.), a commemoration of a deceased
person, as by a Mass, a year after his death. Cf. {A
month's mind}, under Month.
Bissextile year. See Bissextile.
Canicular year. See under Canicular.
Civil year, the year adopted by any nation for the
computation of time.
Common lunar year, the period of 12 lunar months, or 354
days.
Common year, each year of 365 days, as distinguished from
leap year.
Embolismic year, or Intercalary lunar year, the period of
13 lunar months, or 384 days.
Fiscal year (Com.), the year by which accounts are
reckoned, or the year between one annual time of
settlement, or balancing of accounts, and another.
Great year. See Platonic year, under Platonic.
Gregorian year, Julian year. See under Gregorian, and
Julian.
Leap year. See Leap year, in the Vocabulary.
Lunar astronomical year, the period of 12 lunar synodical
months, or 354 days, 8 hours, 48 minutes, 36 seconds.
Lunisolar year. See under Lunisolar.
Periodical year. See Anomalistic year, above.
Platonic year, Sabbatical year. See under Platonic, and
Sabbatical.
Sidereal year, the time in which the sun, departing from
any fixed star, returns to the same. This is 365 days, 6
hours, 9 minutes, and 9.3 seconds.
Tropical year. See under Tropical.
Year and a day (O. Eng. Law), a time to be allowed for an
act or an event, in order that an entire year might be
secured beyond all question. --Abbott.
Year of grace, any year of the Christian era; Anno Domini;
A. D. or a. d.
[1913 Webster] year 2000 bug |
bissextile day
(wn) | bissextile day
n 1: the name of the day that is added during a leap year [syn:
leap day, bissextile day, February 29] |
bissextile year
(wn) | bissextile year
n 1: in the Gregorian calendar: any year divisible by 4 except
centenary years divisible by 400 [syn: leap year,
intercalary year, 366 days, bissextile year] |
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