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
"The helium balloon floated away because the gas expanded rapidly as it rose into the thinner atmosphere."
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
"The helium gas expanded indefinitely until it filled every corner of the room, proving that it had no fixed shape or volume."
a state of excessive gas in the alimentary canal
"After eating that spicy curry, I felt terrible because my stomach was full of gas and it hurt to move."
a pedal that controls the throttle valve
"he stepped on the gas"
a fossil fuel in the gaseous state; used for cooking and heating homes
"After we paid the bill, I realized our gas supply was running low again before winter even started."
Matter in an intermediate state between liquid and plasma that can be contained only if it is fully surrounded by a solid (or in a bubble of liquid, or held together by gravitational pull); it can condense into a liquid, or can (rarely) become a solid directly by deposition.
"The gas station attendant asked me if I wanted to fill up on regular or premium before we left for the trip."
Gasoline; a derivative of petroleum used as fuel.
plural of GA
In plain English: Gas is a substance that has no shape and fills up any space it is put into.
"The car ran out of gas on the highway."
Usage: Use "gas" as a noun to refer to odorless or flammable fuels like natural gas or propane, not as the plural of the currency abbreviation GA. In everyday conversation, it describes the fuel used for heating or vehicles rather than any financial unit.
To attack or kill with poisonous gas.
"The driver hit the gas as soon as they merged onto the highway to catch up with traffic."
To give a vehicle more fuel in order to accelerate it.
In plain English: To gas means to drive a car very fast, usually without thinking about safety.
"He gasped in surprise when he saw the accident."
Usage: In everyday usage, the verb "gas" means to quickly accelerate a vehicle by stepping on the accelerator pedal hard. It is often used informally to describe speeding up rapidly rather than the technical act of refueling.
comical, zany; fun, amusing
"The comedian's new show is pure gas and has everyone laughing all night long."
In plain English: Gas describes something that is silly, ridiculous, or not serious at all.
"The gas station was filled with angry drivers waiting in line."
Usage: Use "gas" as an adjective to describe something that is silly, funny, or entertaining in a lighthearted way, such as calling a joke gas or a party gas. Avoid using it for anything serious or solemn, as the term implies a playful and zany atmosphere.
A commune in Eure-et-Loir, France.
"During our road trip through central France, we stopped for lunch in Gas to enjoy some local cheeses."
The word "gas" entered English from Dutch, where it was coined in 1648 by the chemist Jan Baptist van Helmont. He created the term based on the Ancient Greek word for a chasm or void, possibly also drawing inspiration from words meaning breath or spirit.