any writing, printing, or recording process involving the use of heat
2.
a printing process which produces raised characters by heating special powder or ink placed on the paper
3. medicine
the measurement and recording of heat produced by a part of the body: used in the diagnosis of tumours, esp of the breast (mammothermography), which have an increased blood supply and therefore generate more heat than normal tissue
See also thermogram
Derived forms
thermographer (therˈmographer)
noun
thermographic (ˌθɜːməʊˈɡræfɪk)
adjective
thermography in American English
(θərˈmɑgrəfi)
noun
1.
the recording of temperature variations by means of a thermograph
2.
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