gas

Definition
(noun) the 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 Definition
(noun) a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely Definition
(noun) a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines Definition
(noun) a state of excessive gas in the alimentary canal Definition
(noun) a pedal that controls the throttle valve Definition
(noun) a fossil fuel in the gaseous state; used for cooking and heating homes Definition
(verb) attack with gas; subject to gas fumes Definition
(verb) show off