The Clue
N2O, e.g. (3 letter answer)
The Answer
GAS
Tags
Notes
The answer GAS is seen frequently, appearing about once every 60 puzzles.
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Definition
GAS as a noun:
1. (gas, gaseous state) = 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
2. a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
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
4. (flatulence, flatulency, gas) = a state of excessive gas in the alimentary canal
5. (accelerator, accelerator pedal, gas pedal, gas, throttle, gun) = a pedal that controls the throttle valve; "he stepped on the gas"
6. (natural gas, gas) = a fossil fuel in the gaseous state; used for cooking and heating homes
GAS as a verb:
1. attack with gas; subject to gas fumes; "The despot gassed the rebellious tribes"
2. (boast, tout, swash, shoot a line, brag, gas, blow, bluster, vaunt, gasconade) = show off