difference - a disagreement or argument about a little something critical; "he had a dispute together with his wife"; "there were irreconcilable differences"; "the common conflict between Republicans and Democrats" dermal ectodermal endodermal epidermal epithermal geothermal hydrothermal intradermal isothermal mesodermal photothermal electrothermal See All Rhymes for thermal An example https://mpi-thermal.com/blog/thermal-shock-vs-thermal-cycling-test/