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boiler

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boiler


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Boiler  \Boil"er\,  n. 
  A  sunken  reef;  esp.,  a  coral  reef  on  which  the  sea  breaks 
  heavily. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Boiler  \Boil"er\,  n. 
  1.  One  who  boils. 
 
  2.  A  vessel  in  which  any  thing  is  boiled. 
 
  Note:  The  word  boiler  is  a  generic  term  covering  a  great 
  variety  of  kettles,  saucepans,  clothes  boilers, 
  evaporators,  coppers,  retorts,  etc 
 
  3.  (Mech.)  A  strong  metallic  vessel,  usually  of  wrought  iron 
  plates  riveted  together,  or  a  composite  structure 
  variously  formed,  in  which  steam  is  generated  for  driving 
  engines,  or  for  heating,  cooking,  or  other  purposes. 
 
  Note:  The  earliest  steam  boilers  were  usually  spheres  or 
  sections  of  spheres,  heated  wholly  from  the  outside. 
  Watt  used  the  wagon  boiler  (shaped  like  the  top  of  a 
  covered  wagon)  which  is  still  used  with  low  pressures. 
  Most  of  the  boilers  in  present  use  may  be  classified  as 
  plain  cylinder  boilers,  flue  boilers,  sectional  and 
  tubular  boilers. 
 
  {Barrel  of  a  boiler},  the  cylindrical  part  containing  the 
  flues. 
 
  {Boiler  plate},  {Boiler  iron},  plate  or  rolled  iron  of  about 
  a  quarter  to  a  half  inch  in  thickness,  used  for  making 
  boilers  and  tanks,  for  covering  ships,  etc 
 
  {Cylinder  boiler},  one  which  consists  of  a  single  iron 
  cylinder. 
 
  {Flue  boilers}  are  usually  single  shells  containing  a  small 
  number  of  large  flues,  through  which  the  heat  either 
  passes  from  the  fire  or  returns  to  the  chimney,  and 
  sometimes  containing  a  fire  box  inclosed  by  water. 
 
  {Locomotive  boiler},  a  boiler  which  contains  an  inclosed  fire 
  box  and  a  large  number  of  small  flues  leading  to  the 
  chimney. 
 
  {Multiflue  boiler}.  Same  as  {Tubular  boiler},  below. 
 
  {Sectional  boiler},  a  boiler  composed  of  a  number  of 
  sections,  which  are  usually  of  small  capacity  and  similar 
  to  and  connected  with  each  other  By  multiplication  of 
  the  sections  a  boiler  of  any  desired  capacity  can  be  built 
  up 
 
  {Tubular  boiler},  a  boiler  containing  tubes  which  form  flues, 
  and  are  surrounded  by  the  water  contained  in  the  boiler. 
  See  Illust.  {of  Steam  boiler},  under  {Steam}. 
 
  {Tubulous  boiler}.  See  under  {Tubulous}.  See  {Tube},  n.,  6, 
  and  1st  {Flue}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  boiler 
  n  1:  sealed  vessel  where  water  is  converted  to  steam  [syn:  {steam 
  boiler}] 
  2:  a  metal  pot  for  stewing  or  boiling;  usually  has  a  lid  [syn: 
  {kettle}] 




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