Noun gas has 6 senses
  1. gas - 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
    --1 is a kind of
    state of matter, state
    Derived form: verb gasify1
  2. gas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
    --2 is a kind of
    --2 has particulars:
     atmosphere; noble gas, inert gas, argonon; chlorine, Cl, atomic number 17; fluorine, F, atomic number 9; hydrogen, H, atomic number 1; nitrogen, N, atomic number 7; oxygen, O, atomic number 8; butane; propane; afterdamp; firedamp; arsine; nitrogen dioxide; nitric oxide; blow gas, blowing gas; butylene, butene; cyanogen; exhaust, exhaust fumes, fumes; air; compressed gas; ethylene, ethene; producer gas, air gas; formaldehyde, methanal; greenhouse gas, greenhouse emission; liquefied petroleum gas, bottled gas; water gas; ideal gas, perfect gas; inhalant; methane; ozone; phosgene; phosphine; poison gas; propylene, propene; mephitis; sewer gas; sublimate; sulfur dioxide, sulphur dioxide; tear gas, teargas, lacrimator, lachrymator
    Derived form: verb gasify1
  3. gasoline, gasolene, gas, petrol - a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
    --3 is a kind of fuel; hydrocarbon
    --3 is a substance of gasohol
    --3 has particulars: leaded gasoline; napalm; unleaded gasoline
    Derived form: verb gasify1
  4. flatulence, flatulency, gas - a state of excessive gas in the alimentary canal
    --4 is a kind of physiological state, physiological condition
  5. accelerator, accelerator pedal, gas pedal, gas, throttle, gun - a pedal that controls the throttle valve; "he stepped on the gas"
    --5 is a kind of pedal, treadle, foot pedal, foot lever
    --5 is a part of
     car, auto, automobile, machine, motorcar; airplane, aeroplane, plane
  6. natural gas, gas - a fossil fuel in the gaseous state; used for cooking and heating homes
    --6 is a kind of fossil fuel
    --6 has substances: methane
    Derived form: verb gasify1
,Verb gas has 2 senses
  1. gas - attack with gas; subject to gas fumes; "The despot gassed the rebellious tribes"
    --1 is one way to
    attack, assail
    Derived form: noun gassing2
    Sample sentences:
    Somebody ----s something
    Somebody ----s somebody
  2. boast, tout, swash, shoot a line, brag, gas, blow, bluster, vaunt, gasconade - show off
    --2 is one way to overstate, exaggerate, overdraw, hyperbolize, hyerbolise, magnify, amplify
    Sample sentences:
    Somebody ----s
    Somebody ----s PP
    Somebody ----s that CLAUSE
    Somebody ----s to somebody