- 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
Origin of thermographythermo- + -graphy
- 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 technique in which an infrared camera is used to measure temperature variations on the surface of a structure or body part, used diagnostically to produce images that reveal sites of abnormal tissue growth.
Thermographic image of a hippopotamus. Blues and greens indicate cooler body parts; oranges and reds indicate warmer body parts.