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thermal


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Thermal  \Ther"mal\,  a.  [L.  thermae  hot  springs,  fr  Gr  ?,  pl 
  of  ?  heat,  fr  ?  hot,  warm,  ?  to  warm,  make  hot;  perhaps  akin 
  to  L.  formus  warm,  and  E.  forceps.] 
  Of  or  pertaining  to  heat;  warm;  hot;  as  the  thermal  unit; 
  thermal  waters. 
 
  The  thermal  condition  of  the  earth.  --J.  D. 
  Forbes. 
 
  {Thermal  conductivity},  {Thermal  spectrum}.  See  under 
  {Conductivity},  and  {Spectrum}. 
 
  {Thermal  unit}  (Physics),  a  unit  chosen  for  the  comparison  or 
  calculation  of  quantities  of  heat.  The  unit  most  commonly 
  employed  is  the  amount  of  heat  necessary  to  raise  the 
  temperature  of  one  gram  or  one  pound  of  water  from  zero  to 
  one  degree  Centigrade.  See  {Calorie},  and  under  {Unit}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  thermal 
  adj  1:  relating  to  or  associated  with  heat;  "thermal  movements  of 
  molecules";  "thermal  capacity";  "thermic  energy";  "the 
  caloric  effect  of  sunlight"  [syn:  {thermic},  {caloric}] 
  [ant:  {nonthermal}] 
  2:  caused  by  or  designed  to  retain  heat;  "thermal  springs";  "a 
  thermal  burn";  "thermal  underwear" 
  n  :  rising  current  of  warm  air 




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