A combining form from Gr.
n. (Physics) An instrument for recording simultaneously the pressure and temperature of a gas; a combined thermograph and barograph. [ Webster 1913 Suppl. ]
n. [ Thermo- + barometer. ]
n. [ Thermo- + battery. ] A thermoelectric battery; a thermopile. [ 1913 Webster ]
n. [ Thermo- + cautery. ] (Surg.) Cautery by the application of heat. [ 1913 Webster ]
Paquelin's thermocautery,
n. [ Thermo- + chemistry. ] That branch of chemical science which includes the investigation of the various relations existing between chemical action and that manifestation of force termed heat, or the determination of the heat evolved by, or employed in, chemical actions. [ 1913 Webster ]
a. [ Thermo- + Gr. &unr_;, &unr_;, color. ] Pertaining to or designating heat rays that have undergone selective absorption and are therefore analogous to colored light rays. [ Webster 1913 Suppl. ]
n. [ Thermo- + Gr. &unr_; coloring. ] (Physics) The property possessed by heat of being composed, like light, of rays of different degrees of refrangibility, which are unequal in rate or degree of transmission through diathermic substances. [ 1913 Webster ]