Gas - Definition
gas
n 1: 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 [syn: gas, gaseous state]
2: a fluid in the gaseous state having neither independent shape
nor volume and being able to expand indefinitely
3: a volatile flammable mixture of hydrocarbons (hexane and
heptane and octane etc.) derived from petroleum; used mainly
as a fuel in internal-combustion engines [syn: gasoline,
gasolene, gas, petrol]
4: a state of excessive gas in the alimentary canal [syn:
flatulence, flatulency, gas]
5: a pedal that controls the throttle valve; "he stepped on the
gas" [syn: accelerator, accelerator pedal, gas pedal,
gas, throttle, gun]
6: a fossil fuel in the gaseous state; used for cooking and
heating homes [syn: natural gas, gas]
v 1: attack with gas; subject to gas fumes; "The despot gassed
the rebellious tribes"
2: show off [syn: boast, tout, swash, shoot a line,
brag, gas, blow, bluster, vaunt, gasconade]