grou - high
- ground
- ground (fault )relaying
- ground (fault )relaying
- ground (quantum )state
- ground (quantum )state
- ground absorption
- ground acceleration
- ground aids
- ground air starting unit
- ground bark
- ground bearing pressure
- ground brush
- ground bus
- ground capacitance
- ground clamp
- ground clearance
- ground clearance height
- ground coat
- ground conductivity
- ground connection
- ground contact
- ground contact area
- ground control
- ground crew
- ground current
- ground current limitation
- ground detector
- ground distance
- ground dump tail pipe
- ground echo
- ground effect
- ground elevation
- ground environment
- ground equalizer inductor
- ground fault
- ground fault clearing
- ground fault protection
- ground fireclay mortar
- ground floor
- ground flutter