Open English Wordnet
Nouns
(n)gas, gaseous statethe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
(n)accelerator, accelerator pedal, gas pedal, gas, throttle, guna pedal that controls the throttle valve“he stepped on the gas”