gas - grid
- gas amplification
- gas cell
- gas cleanup
- gas current
- gas desorbtion
- gas diode
- gas discharge
- gas etching
- gas focusing
- gas laser
- gas lens
- gas lens guide
- gas magnification
- gas maser
- gas multiplication
- gas noise
- gas panel
- gas phase
- gas phototube
- gas plasma
- gas ratio
- gas relay time base
- gas source
- gas triode
- gas tube
- gas-amplification factor
- gas-blast circuit breaker
- gas-cell frequency standard
- gas-cell maser
- gas-dielectric waveguide
- gas-diffusion electrode
- gas-discharge
- gas-discharge attenuator
- gas-discharge display
- gas-discharge lamp
- gas-discharge laser
- gas-discharge maser
- gas-discharge photocell
- gas-discharge plasma
- gas-discharge tube
