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umbraemore about umbrae

umbrae


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Umbra  \Um"bra\,  n.;  pl  {Umbr[ae]}.  [L.,  a  shadow.] 
  1.  (Astron.) 
  a  The  conical  shadow  projected  from  a  planet  or 
  satellite,  on  the  side  opposite  to  the  sun,  within 
  which  a  spectator  could  see  no  portion  of  the  sun's 
  disk;  --  used  in  contradistinction  from  penumbra.  See 
  {Penumbra}. 
  b  The  central  dark  portion,  or  nucleus,  of  a  sun  spot. 
  c  The  fainter  part  of  a  sun  spot;  --  now  more  commonly 
  called  penumbra. 
 
  2.  (Zo["o]l.)  Any  one  of  several  species  of  sci[ae]noid  food 
  fishes  of  the  genus  {Umbrina},  especially  the 
  Mediterranean  species  ({U.  cirrhosa}),  which  is  highly 
  esteemed  as  a  market  fish;  --  called  also  {ombre},  and 
  {umbrine}. 
 
  {Umbra  tree}  (Bot.),  a  tree  ({Phytolacca  diocia})  of  the  same 
  genus  as  pokeweed.  It  is  native  of  South  America,  but  is 
  now  grown  in  southern  Europe.  It  has  large  dark  leaves, 
  and  a  somber  aspect.  The  juice  of  its  berries  is  used  for 
  coloring  wine.  --J.  Smith  (Dict.  Econ.  Plants). 




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