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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Homoiothermal  \Ho*moi`o*ther"mal\,  a.  [Gr.  ?  like  +  E.  thermal.] 
  Maintaining  a  uniform  temperature;  h[ae]matothermal; 
  homothermic;  --  applied  to  warm-bodied  animals,  because  they 
  maintain  a  nearly  uniform  temperature  in  spite  of  the  great 
  variations  in  the  surrounding  air;  in  distinct  from  the 
  cold-blooded  (poikilothermal)  animals,  whose  body  temperature 
  follows  the  variations  in  temperature  of  the  surrounding