aluminide
/ˌæljʊˈmɪnaɪd/Definitions
1. noun
A compound of aluminium with another element, especially one that has a lower melting point than aluminium and is used in high-temperature applications.
“The aluminide coating was applied to the engine components to improve their durability.”
2. noun
A class of alloys based on aluminium and a reactive metal such as titanium or zirconium.
“The aluminide alloys were used in the construction of the aircraft engine.”