change - a relational difference between states; Specifically between states prior to and after some party; "he attributed the change to their marriage" It’s why engineers choose different materials for various thermal environments. It’s why your coffee stays sizzling longer inside of a ceramic mug than a plastic 1. https://thermalshockvsthermalcycl01234.elbloglibre.com/36183617/5-simple-techniques-for-difference-between-thermal-shock-and-cycling