refractory
[rɛfˈræktəri]
Definitions
1. adjective
resistant to change, heat, or effort; obstinately difficult to manage or deal with
“The refractory child refused to listen to his teacher’s instructions.”
2. noun
a material that resists high temperatures, such as certain types of ceramics or metals
“The refractory lining of the furnace helped to maintain its temperature.”
3. noun
a person or animal that is difficult to manage or deal with
“The coach had trouble dealing with the refractory player who refused to follow the team’s strategy.”
4. noun
a type of metal alloy used in high-temperature applications
“The refractory alloy used in the jet engine’s turbine blades required special maintenance.”