decalescence
/ˌdiːkəˈlɛsəns/
noun
- A temporary drop in temperature that occurs when a metal is heated past a certain point, due to the absorption of heat during a change in its crystal structure.
- Understanding decalescence is important for heat-treating metals properly.
- The blacksmith observed decalescence as the steel reached a critical temperature.
- The furnace operator watched for decalescence to know when the metal had transformed.