grou - high
- half-hourly report
- half-intensity beam angle
- half-jog
- half-landing
- half-lap joint
- half-latticed girder
- half-lethal dose
- half-life
- half-life period
- half-line offset
- half-liner
- half-micum drum
- half-mold
- half-moon dike
- half-mortise [half-surface] hinge
- half-open switch
- half-open-air hydroelectric station
- half-page CRT
- half-page display
- half-part molding box
- half-period
- half-phantom circuit
- half-picture
- half-plane
- half-power bandwidth
- half-power beamwidth
- half-power contour
- half-rate mirror
- half-reflecting mirror
- half-ring dislocation
- half-rough nut
- half-round
- half-round drill
- half-round scraper
- half-S trap
- half-set threading
- half-side (milling )cutter
- half-side (milling )cutter
- half-sine pulse
- half-size boiler feed pump