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rustmore about rust

rust


  5  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rust  \Rust\,  v.  i.  [imp.  &  p.  p.  {Rusted};  p.  pr  &  vb  n. 
  {Rusting}.]  [AS.  rustian.] 
  1.  To  contract  rust;  to  be  or  become  oxidized. 
 
  If  gold  ruste,  what  shall  iron  do?  --Chaucer. 
 
  Our  armors  now  may  rust.  --Dryden. 
 
  2.  To  be  affected  with  the  parasitic  fungus  called  rust; 
  also  to  acquire  a  rusty  appearance.  as  plants. 
 
  3.  Fig.:  To  degenerate  in  idleness;  to  become  dull  or 
  impaired  by  inaction. 
 
  Must  I  rust  in  Egypt?  never  more  Appear  in  arms,  and 
  be  the  chief  of  Greece?  --Dryden. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rust  \Rust\,  n.  [AS.  rust;  akin  to  D.  roest,  G.  &  Sw  rost, 
  Icel.  ry[eth];  --  named  from  its  color,  and  akin  to  E.  red. 
  [root]113.  See  {Red}.] 
  1.  (Chem.)  The  reddish  yellow  coating  formed  on  iron  when 
  exposed  to  moist  air,  consisting  of  ferric  oxide  or 
  hydroxide;  hence  by  extension,  any  metallic  film  of 
  corrosion. 
 
  2.  (Bot.)  A  minute  mold  or  fungus  forming  reddish  or  rusty 
  spots  on  the  leaves  and  stems  of  cereal  and  other  grasses 
  ({Trichobasis  Rubigo-vera}),  now  usually  believed  to  be  a 
  form  or  condition  of  the  corn  mildew  ({Puccinia 
  graminis}).  As  rust,  it  has  solitary  reddish  spores;  as 
  corn  mildew,  the  spores  are  double  and  blackish. 
 
  Note:  Rust  is  also  applied  to  many  other  minute  fungi  which 
  infest  vegetation,  such  as  the  species  of  {Ustilago}, 
  {Uredo},  and  {Lecythea}. 
 
  3.  That  which  resembles  rust  in  appearance  or  effects. 
  Specifically:  a  A  composition  used  in  making  a  rust 
  joint.  See  {Rust  joint},  below. 
  b  Foul  matter  arising  from  degeneration;  as  rust  on 
  salted  meat. 
  c  Corrosive  or  injurious  accretion  or  influence. 
 
  Sacred  truths  cleared  from  all  rust  and  dross  of 
  human  mixtures.  --Eikon 
  Basilike 
 
  Note:  Rust  is  used  in  the  formation  of  compounds  of  obvious 
  meaning;  as  rust-colored,  rust-consumed,  rust-eaten, 
  and  the  like 
 
  {Rust  joint},  a  joint  made  between  surfaces  of  iron  by 
  filling  the  space  between  them  with  a  wet  mixture  of 
  cast-iron  borings,  sal  ammoniac,  and  sulphur,  which  by 
  oxidation  becomes  hard,  and  impervious  to  steam,  water, 
  etc 
 
  {Rust  mite}  (Zo["o]l.),  a  minute  mite  ({Phytopius  oleivorus}) 
  which  by  puncturing  the  rind,  causes  the  rust-colored 
  patches  on  oranges. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Rust  \Rust\,  v.  t. 
  1.  To  cause  to  contract  rust;  to  corrode  with  rust;  to  affect 
  with  rust  of  any  kind 
 
  Keep  up  your  bright  swords,  for  the  dew  will  rust 
  them  --Shak. 
 
  2.  Fig.:  To  impair  by  time  and  inactivity.  --Johnson. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Ferrugo  \Fer*ru"go\,  n.  [L.,  iron  rust,  fr  ferrum  iron.] 
  A  disease  of  plants  caused  by  fungi,  commonly  called  the 
  {rust},  from  its  resemblance  to  iron  rust  in  color. 
 
  From  WordNet  r  1.6  [wn]: 
 
  rust 
  adj  :  of  the  color  of  rust  [syn:  {rusty}] 
  n  1:  a  red  or  brown  oxide  coating  on  iron  or  steel  caused  by  the 
  action  of  oxygen  and  moisture 
  2:  a  reddish-brown  discoloration  of  leaves  and  stems  caused  by 
  a  rust  fungus 
  3:  the  formation  of  reddish-brown  ferric  oxides  on  iron  by 
  low-temperature  oxidation  in  the  presence  of  water  [syn:  {rusting}] 
  4:  any  of  various  fungi  causing  rust  disease  in  plants  [syn:  {rust 
  fungus}] 
  v  1:  become  destroyed  by  water  or  air;  "The  metal  corroded"  [syn: 
  {corrode}] 
  2:  cause  to  rust;  "The  acid  corroded  the  metal"  [syn:  {corrode}, 
  {eat}] 




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