difference - a disagreement or argument about a thing critical; "he had a dispute together with his spouse"; "there were irreconcilable differences"; "the familiar conflict between Republicans and Democrats" dermal ectodermal endodermal epidermal epithermal geothermal hydrothermal intradermal isothermal mesodermal photothermal electrothermal See All Rhymes for thermal Greenhouse gases... https://thermal-shock-testing01222.dailyblogzz.com/36741983/not-known-facts-about-pcb-thermal-cycling-failure-modes