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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
   - gaseous state
    
2. A fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
    
3. [N. Amer] A volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
   - gasoline [N. Amer], gasolene [N. Amer], petrol [Brit], juice [informal]
    
4. [N. Amer] A pedal that controls the throttle valve
   "he stepped on the gas";
   - accelerator, accelerator pedal, gas pedal [N. Amer], throttle
    
5. A fossil fuel in the gaseous state; used for cooking and heating homes
   - natural gas
    
6. (blockchains) the cost to conduct a transaction
   "the exact price of the gas is determined by supply and demand between the network's miner"
    
7. A state of excessive gas in the alimentary canal
   - flatulence, flatulency

1. Attack with gas; subject to gas fumes
   "The despot gassed the rebellious tribes"
    
2. [informal] Talk socially without exchanging too much information
   "the men were sitting in the cafe and gassing";
   - chew the fat [informal], shoot the breeze [N. Amer, informal], chat, confabulate, confab [informal], chitchat [informal], chit-chat [informal], chatter, chaffer, natter [informal], gossip, jaw [informal], claver [UK, dialect], visit [N. Amer, informal], chew the rag [informal], gab [informal]
    
3. [informal] Show off, esp. with exaggeration
   - boast, tout, swash [archaic], shoot a line [informal], brag, blow, bluster, vaunt, gasconade [archaic], skite [Austral, NZ, informal]

1. A rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
   - gallium, atomic number 31

Derived forms: gassed, gases, gassing, gasses

Type of: amplify, assail, attack, converse, discourse, exaggerate, fluid, foot lever, foot pedal, fossil fuel, fuel, hydrocarbon, hyperbolise [Brit], hyperbolize, magnify, metal, metallic element, overdraw, overstate, pedal, physical condition, physiological condition, physiological state, state, state of matter, treadle

Part of: aeroplane [Brit], airplane [N. Amer], auto [informal], autocar [archaic], automobile [N. Amer], bauxite, car, gasohol, motorcar, plane, wheel [informal], whip [US, informal]

Encyclopedia: Gas, Oil and Water