thermally stimulated current (n.)

in thermal analysis
initialism: TSC
https://doi.org/10.1351/goldbook.12314
Electrical current observed during heating and caused by the thermally initiated relaxation of the frozen-in electrical polarization of a sample.
Note: By extension, the same name and abbreviation (TSC) are given to the thermal analysis technique based on the measurement of this current.
Source:
PAC, 2014, 86, 545. (ICTAC nomenclature of thermal analysis (IUPAC Recommendations 2014)) on page 550 [Terms] [Paper]