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gregorian

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gregorian


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Gregorian  \Gre*go"ri*an\,  a.  [NL.  Gregorianus  fr  Gregorius 
  Gregory,  Gr  ?:  cf  F.  gr['e]gorien.] 
  Pertaining  to  or  originated  by  some  person  named  Gregory, 
  especially  one  of  the  popes  of  that  name 
 
  {Gregorian  calendar},  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). 
 
  {Gregorian  chant}  (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. 
 
  {Gregorian  modes},  the  musical  scales  ordained  by  Pope 
  Gregory  the  Great,  and  named  after  the  ancient  Greek 
  scales,  as  Dorian,  Lydian,  etc 
 
  {Gregorian  telescope}  (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 
 
  {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  and  not  by  400,  has  366  days;  all  other  years  have 
  365  days.  See  {Bissextile},  and  Note  under  {Style},  n.,  7. 
 
  From  WordNet  r  1.6  [wn]: 
 
  Gregorian 
  adj  1:  of  or  relating  to  Pope  Gregory  I  or  to  the  plainsong  chants 
  of  the  Roman  Catholic  Church  [syn:  {Gregorian}] 
  2:  of  or  relating  to  Pope  Gregory  XIII  or  the  calendar  he 
  introduced  in  1582  [syn:  {Gregorian}] 




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