grou - high
- ground-based space transportation system
- ground-coat paint
- ground-controlled approach
- ground-controlled approach radar
- ground-controlled approach system
- ground-controlled firing
- ground-controlled thruster
- ground-deflection lobe
- ground-derived data
- ground-driven steer pump
- ground-echo pattern
- ground-effect craft
- ground-effect vessel
- ground-energized space electric propulsion
- ground-fault neutralizer
- ground-glass reticle
- ground-glass stopper flask
- ground-glass view finder
- ground-key faucet
- ground-lead hauling
- ground-level loading
- ground-level pollution
- ground-line logging
- ground-mapping radar
- ground-objects identification
- ground-position indicator
- ground-reflected wave
- ground-reflection null(s)
- ground-reflection null(s)
- ground-return current
- ground-return system
- ground-station network
- ground-to-air communication
- ground-truth observations
- ground-wave pattern
- ground-wave propagation
- ground-way [launching] ribband
- groundage
- grounded anode amplifier
- grounded collector