the recording of temperature variations by means of a thermograph
a process for imitating copperplate engraving, as on calling cards, by dusting the freshly printed surface with a resinous powder which, when heated, fuses with the ink to form a raised surface
See thermography in American Heritage Dictionary 4
nounpl.ther·mog·ra·phies
A process for producing raised lettering, as on stationery or calling cards, by application of a powder that is fused by heat to the fresh ink.
A diagnostic technique in which an infrared camera is used to measure temperature variations on the surface of the body, producing images that reveal sites of abnormal tissue growth.