hard - high
- hard bubble
- hard copy
- hard direction
- hard domain
- hard domain wall
- hard image
- hard limiter
- hard limiting
- hard magnetic alloy
- hard magnetic axis
- hard magnetic domain
- hard magnetic material
- hard mode
- hard plane
- hard point demonstration array radar
- hard solder
- hard superconductor
- hard system
- hard tube
- hard wall
- hard x- rays
- hard-bubble suppression
- hard-contact aligner
- hard-lead diode
- hard-limiter repeater
- hard-wire telemetry
- hard-wired logic
- hardened links
- hardened photoresist
- hardening
- hardest magnetic axis
- hardline
- hardware
- hardware architecture
- hardware check
- hardware compatibility
- hardware component
- hardware customized lsi
- hardware module
- hardware restriction
