1. hardened or strengthened in advance before use or installation
Usage: technical; commonly used in manufacturing and materials science

Examples

• The prehardened steel components arrived ready for assembly.
• Prehardened concrete blocks reduce construction time on the job site.
• The manufacturer uses prehardened materials to ensure consistent quality.
• These prehardened plastic parts are designed to withstand high stress.
• The prehardened surface resists scratching and wear better than untreated alternatives.