If something tends to make a difference into a circumstance, it impacts it, typically in the constructive way. If a thing would make no difference to the scenario, it does not impact it. : getting or involving a condition of subject dependent on temperature thermal agitation of molecular composition https://pcb-thermal-cycling-failu24578.blogsvila.com/35897762/the-greatest-guide-to-long-term-thermal-fatigue-testing