gregorian : Idioms & Phrases

Index

Gregorian calendar

  • noun the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752
    New Style calendar.
WordNet
  • the calendar as reformed by Pope Gregory XIII. in 1582, including the method of adjusting the leap years so as to harmonize the civil year with the solar, and also the regulation of the time of Easter and the movable feasts by means of epochs. See Gregorian year (below).
Webster 1913

gregorian calendar month

  • noun a month in the Gregorian calendar
WordNet

Gregorian chant

  • noun a liturgical chant of the Roman Catholic Church
    plainchant; plainsong.
WordNet
  • (Mus.), plain song, or canto fermo, a kind of unisonous music, according to the eight celebrated church modes, as arranged and prescribed by Pope Gregory I. (called "the Great") in the 6th century.
Webster 1913

gregorian mode

  • noun any of a system of modes used in Gregorian chants up until 1600; derived historically from the Greek mode
    medieval mode; Gregorian mode; church mode; ecclesiastical mode.
WordNet

Gregorian modes

  • noun any of a system of modes used in Gregorian chants up until 1600; derived historically from the Greek mode
    medieval mode; Gregorian mode; church mode; ecclesiastical mode.
WordNet
  • the musical scales ordained by Pope Gregory the Great, and named after the ancient Greek scales, as Dorian, Lydian, etc.
Webster 1913

Gregorian telescope

  • noun a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
    Cassegrainian telescope.
WordNet
  • (Opt.), a form of reflecting telescope, named from Prof. James Gregory, of Edinburgh, who perfected it in 1663. A small concave mirror in the axis of this telescope, having its focus coincident with that of the large reflector, transmits the light received from the latter back through a hole in its center to the eyepiece placed behind it.
Webster 1913

Gregorian year

  • the year as now reckoned according to the Gregorian calendar. Thus, every year, of the current reckoning, which is divisible by 4, except those divisible by 100 aud not by 400, has 366 days; all other years have 365 days. See Bissextile, and Note under Style, n., 7.
Webster 1913