Defn: A junction of two dissimilar conductors used to produce a thermoelectric current, as in one form of pyrometer; a thermocouple.

THERMOLOGY
Ther*mol"o*gy, n. Etym: [Thermo- + -logy.]

Defn: A discourse on, or an account of, heat. Whewell.

THERMOLUMINESCENCE
Ther`mo*lu`mi*nes"cence, n. (Physics)

Defn: Luminescence exhibited by a substance on being moderately heated. It is shown esp. by certain substances that have been exposed to the action of light or to the cathode rays. —-lu`mi*nes"cent (#), a.

THERMOLYSIS
Ther*mol"y*sis, n. Etym: [Thermo- + Gr. (Chem.)

Defn: The resolution of a compound into parts by heat; dissociation by heat.

THERMOLYTIC
Ther`mo*lyt"ic, a.

Defn: Of or pertaining to thermolysis.

THERMOLYZE
Ther"mo*lyze, v. t. (Chem.)