Words starting with gregoria

9 letter words starting with gregoria

• gregorian — of or relating to any of the popes named Gregory, especially Gregory I or Gregory XIII.
• gregorian calendar — the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly divisible by 400, as 1700, 1800, and 1900.
• gregorian chant — the plain song or cantus firmus used in the ritual of the Roman Catholic Church.
• gregorian mode — church mode.
• gregorian telescope — a telescope similar in design to the Cassegrainian telescope but less widely used.