Thermic \Ther"mic\, a. [Gr. ? heat.] Of or pertaining to heat; due to heat; thermal; as, thermic lines. [1913 Webster] {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}. [1913 Webster]
Bolometer \Bo*lom"e*ter\, n. [Gr. ? a stroke, ray + -meter.] (Physics) An instrument for measuring minute quantities of radiant heat, especially in different parts of the spectrum; -- called also {actinic balance}, {thermic balance}. --S. P. Langley. [1913 Webster]