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radiantmore about radiant

radiant

 

  5  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Radiant  \Ra"di*ant\,  a.  (Physics) 
  Emitted  or  transmitted  by  radiation;  as  a  radiant  energy; 
  radiant  heat. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Radiant  \Ra"di*ant\,  n. 
  1.  (Opt.)  The  luminous  point  or  object  from  which  light 
  emanates;  also  a  body  radiating  light  brightly. 
 
  2.  (Geom.)  A  straight  line  proceeding  from  a  given  point,  or 
  fixed  pole,  about  which  it  is  conceived  to  revolve. 
 
  3.  (Astron.)  The  point  in  the  heavens  at  which  the  apparent 
  paths  of  shooting  stars  meet  when  traced  backward,  or 
  whence  they  appear  to  radiate. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Radiant  \Ra"di*ant\,  a.  [L.  radians,  -antis,  p.  pr  of  radiare 
  to  emit  rays  or  beams,  fr  radius  ray:  cf  F.  radiant.  See 
  {Radius},  {Ray}  a  divergent  line.] 
  1.  Emitting  or  proceeding  as  from  a  center;  [U.S.]  rays; 
  radiating;  radiate. 
 
  2.  Especially,  emitting  or  darting  rays  of  light  or  heat; 
  issuing  in  beams  or  rays;  beaming  with  brightness; 
  emitting  a  vivid  light  or  splendor;  as  the  radiant  sun. 
 
  Mark  what  radiant  state  she  spreads.  --Milton. 
 
  3.  Beaming  with  vivacity  and  happiness;  as  a  radiant  face. 
 
  4.  (Her.)  Giving  off  rays;  --  said  of  a  bearing;  as  the  sun 
  radiant;  a  crown  radiant. 
 
  5.  (Bot.)  Having  a  raylike  appearance,  as  the  large  marginal 
  flowers  of  certain  umbelliferous  plants;  --  said  also  of 
  the  cluster  which  has  such  marginal  flowers. 
 
  {Radiant  energy}  (Physics),  energy  given  out  or  transmitted 
  by  radiation,  as  in  the  case  of  light  and  radiant  heat. 
 
  {Radiant  heat},  proceeding  in  right  lines,  or  directly  from 
  the  heated  body,  after  the  manner  of  light,  in  distinction 
  from  heat  conducted  or  carried  by  intervening  media. 
 
  {Radiant  point}.  (Astron.)  See  {Radiant},  n.,  3. 
 
  From  WordNet  r  1.6  [wn]: 
 
  radiant 
  adj  :  radiating  or  as  if  radiating  light;  "the  beaming  sun";  "the 
  effulgent  daffodils";  "a  radiant  sunrise";  "a  refulgent 
  sunset"  [syn:  {beaming},  {beamy},  {effulgent},  {refulgent}] 
 
  From  U.S.  Gazetteer  (1990)  [gazetteer]: 
 
  Radiant,  VA 
  Zip  code(s):  22732




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