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resinmore about resin


  2  definitions  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Resin  \Res"in\  (r?z"?n),  n.  [F.  r['e]sine,  L.  resina;  cf  Gr 
  "rhti`nh  Cf  {Rosin}.] 
  Any  one  of  a  class  of  yellowish  brown  solid  inflammable 
  substances,  of  vegetable  origin,  which  are  nonconductors  of 
  electricity,  have  a  vitreous  fracture,  and  are  soluble  in 
  ether,  alcohol,  and  essential  oils,  but  not  in  water; 
  specif.,  pine  resin  (see  {Rosin}). 
  Note:  Resins  exude  from  trees  in  combination  with  essential 
  oils,  gums,  etc.,  and  in  a  liquid  or  semiliquid  state. 
  They  are  composed  of  carbon,  hydrogen,  and  oxygen,  and 
  are  supposed  to  be  formed  by  the  oxidation  of  the 
  essential  oils.  Copal,  mastic,  quaiacum,  and  colophony 
  or  pine  resin,  are  some  of  them  When  mixed  with  gum, 
  they  form  the  gum  resins,  like  asafetida  and  gamboge; 
  mixed  with  essential  oils,  they  frorm  balsams,  or 
  {Highgate  resin}  (Min.),  a  fossil  resin  resembling  copal, 
  occuring  in  blue  clay  at  Highgate  near  London. 
  {Resin  bush}  (Bot.),  a  low  composite  shrub  ({Euryops 
  speciosissimus})  of  South  Africa,  having  smooth  pinnately 
  parted  leaves  and  abounding  in  resin. 
  From  WordNet  r  1.6  [wn]: 
  n  :  any  of  a  class  of  solid  or  semisolid  viscous  substances 
  obtained  either  as  exudations  from  certain  plants  or 
  prepared  by  polymerization  of  simple  molecules  [syn:  {rosin}] 

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