butane
nounUK /ˈbjuːteɪn/
US /ˈbjuːteɪn/
Butane is a gas that burns easily and is used to make fire for cooking or heating.
The camping stove uses butane to make a small flame.
OTHER MEANINGS
2. A flammable hydrocarbon gas found in petroleum and natural gas.
Butane is separated from natural gas at the refinery.
3. A fuel used in cigarette lighters.
He refilled his lighter with butane.
4. A chemical compound with the formula C4H10.
In chemistry class, we learned that butane has four carbon atoms.