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exhaust

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exhaust


  4  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Exhaust  \Ex*haust"\,  a.  [L.  exhaustus  p.  p.] 
  1.  Drained;  exhausted;  having  expended  or  lost  its  energy. 
 
  2.  Pertaining  to  steam,  air,  gas,  etc.,  that  is  released  from 
  the  cylinder  of  an  engine  after  having  preformed  its  work 
 
  {Exhaust  draught},  a  forced  draught  produced  by  drawing  air 
  through  a  place  as  through  a  furnace,  instead  of  blowing 
  it  through 
 
  {Exhaust  fan},  a  fan  blower  so  arranged  as  to  produce  an 
  exhaust  draught,  or  to  draw  air  or  gas  out  of  a  place  as 
  out  of  a  room  in  ventilating  it 
 
  {Exhaust  nozzle},  {Exhaust  orifice}  (Steam  Engine),  the  blast 
  orifice  or  nozzle. 
 
  {Exhaust  pipe}  (Steam  Engine),  the  pipe  that  conveys  exhaust 
  steam  from  the  cylinder  to  the  atmosphere  or  to  the 
  condenser. 
 
  {Exhaust  port}  (Steam  Engine),  the  opening,  in  the  cylinder 
  or  valve,  by  which  the  exhaust  steam  escapes. 
 
  {Exhaust  purifier}  (Milling),  a  machine  for  sorting  grains, 
  or  purifying  middlings  by  an  exhaust  draught.  --Knight. 
 
  {Exhaust  steam}  (Steam  Engine),  steam  which  is  allowed  to 
  escape  from  the  cylinder  after  having  been  employed  to 
  produce  motion  of  the  piston. 
 
  {Exhaust  valve}  (Steam  Engine),  a  valve  that  lets  exhaust 
  steam  escape  out  of  a  cylinder. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Exhaust  \Ex*haust"\,  v.  t.  [imp.  &  p.  p.  {Exhausted};  p.  pr  & 
  vb  n.  {Exhausting}.]  [L.  exhaustus  p.  p.  of  exhaurire  ex 
  out  +  haurire  haustum  to  draw,  esp.  water;  perhaps  akin  to 
  Icel.  asua  to  sprinkle,  pump.] 
  1.  To  draw  or  let  out  wholly;  to  drain  off  completely;  as  to 
  exhaust  the  water  of  a  well  the  moisture  of  the  earth  is 
  exhausted  by  evaporation. 
 
  2.  To  empty  by  drawing  or  letting  out  the  contents;  as  to 
  exhaust  a  well  or  a  treasury. 
 
  3.  To  drain,  metaphorically;  to  use  or  expend  wholly,  or  till 
  the  supply  comes  to  an  end  to  deprive  wholly  of  strength; 
  to  use  up  to  weary  or  tire  out  to  wear  out  as  to 
  exhaust  one's  strength,  patience,  or  resources. 
 
  A  decrepit,  exhausted  old  man  at  fifty-five. 
  --Motley. 
 
  4.  To  bring  out  or  develop  completely;  to  discuss  thoroughly; 
  as  to  exhaust  a  subject. 
 
  5.  (Chem.)  To  subject  to  the  action  of  various  solvents  in 
  order  to  remove  all  soluble  substances  or  extractives;  as 
  to  exhaust  a  drug  successively  with  water,  alcohol,  and 
  ether. 
 
  {Exhausted  receiver}.  (Physics)  See  under  {Receiver}. 
 
  Syn:  To  spend;  consume;  tire  out  weary. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Exhaust  \Ex*haust"\,  n.  (Steam  Engine) 
  1.  The  steam  let  out  of  a  cylinder  after  it  has  done  its  work 
  there 
 
  2.  The  foul  air  let  out  of  a  room  through  a  register  or  pipe 
  provided  for  the  purpose. 
 
  From  WordNet  r  1.6  [wn]: 
 
  exhaust 
  n  1:  gases  ejected  from  an  engine  as  waste  products  [syn:  {exhaust 
  fumes},  {fumes}] 
  2:  the  parts  of  an  engine  through  which  burned  gases  or  steam 
  are  discharged  [syn:  {exhaust  system}] 
  v  1:  wear  out  completely;  "This  kind  of  work  exhausts  me";  "I'm 
  beat"  [syn:  {beat},  {tucker},  {tucker  out}] 
  2:  use  up  as  of  resources  or  materials;  "this  car  consumes  a 
  lot  of  gas";  "We  exhausted  our  savings";  "They  run  through 
  20  bottles  of  wine  a  week"  [syn:  {consume},  {eat  up},  {use 
  up},  {eat},  {deplete},  {run  through},  {wipe  out}] 
  3:  deplete;  "exhaust  one's  savings"  [syn:  {run  down},  {sap},  {tire}, 
  {use  up}] 
  4:  use  up  the  whole  supply  of  "We  have  exhaustet  the  food 
  supplies" 
  5:  create  a  vacuum  in  (a  bulb,  flask,  reaction  vessel,  etc.) 
  [syn:  {evacuate}] 




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