warm - utilized of physical heat; possessing a large or increased than fascinating temperature or giving off heat or sensation or leading to a sensation of heat or burning; "scorching stove"; "sizzling water"; "a sizzling August day"; "a sizzling stuffy space"; "she's sizzling and drained"; "a very hot forehead" https://thermal-shock-vs-thermal03578.link4blogs.com/57235219/considerations-to-know-about-pcb-thermal-cycling-failure-modes