'Thermography' definitions:

Definition of 'thermography'

(from WordNet)
noun
Diagnostic technique using a thermograph to record the heat produced by different parts of the body; used to study blood flow and to detect tumors

Definition of 'Thermography'

From: GCIDE
  • Thermography \Ther*mog"ra*phy\, n. [Thermo- + -graphy.] Any process of writing involving the use of heat. [Webster 1913 Suppl.]