adjective
- made extremely hard or resistant through special treatment or processing
Usage: technical; materials science
Examples
- The superhardened steel could withstand extreme pressure.
- Military vehicles use superhardened armor plating.
- The superhardened concrete was designed to resist earthquakes.
- Scientists developed a superhardened ceramic coating.
- The superhardened glass was nearly unbreakable.
- Engineers tested the superhardened metal alloy.