thermal - referring to or connected with heat; "thermal movements of molecules"; "thermal potential"; "thermic Power"; "the caloric result of daylight" dermal ectodermal endodermal epidermal epithermal geothermal hydrothermal intradermal isothermal mesodermal photothermal electrothermal See All Rhymes for thermal Temperature is usually a measure. Particularly, it tells us how fast https://mpi-thermal.com/blog/thermal-shock-vs-thermal-cycling-test/