Source : Webster's Revised Unabridged Dictionary (1913)

Thermic \Ther"mic\, a. [Gr. ? heat.]
   Of or pertaining to heat; due to heat; thermal; as, thermic
   lines.

   {Thermic balance}. See {Bolometer}.

   {Thermic fever} (Med.), the condition of fever produced by
      sunstroke. See {Sunstroke}.

   {Thermic weight}. (Mech.) Same as {Heat weight}, under
      {Heat}.

Source : WordNet®

thermic fever
     n : sudden prostration due to exposure to the sun or excessive
         heat [syn: {sunstroke}, {insolation}, {siriasis}]