THERMOGRAPH

thermograph, thermometrograph

(noun) a thermometer that records temperature variations on a graph as a function of time

thermograph

(noun) medical instrument that uses an infrared camera to reveal temperature variations on the surface of the body

Source: WordNet® 3.1

Etymology

Noun

thermograph (plural thermographs)

A thermometer which records the temperature.

Verb

thermograph (third-person singular simple present thermographs, present participle thermographing, simple past and past participle thermographed)

To record temperature using such an instrument

Source: Wiktionary

Ther"mo*graph, n. Etym: [Thermo- + -graph.] (Physics)

Definition: An instrument for automatically recording indications of the variation of temperature.

Source: Webster’s Unabridged Dictionary 1913 Edition