석유에서 추출되는 가연성 탄화수소 기체로, 주로 휴대용 가스레인지나 라이터의 연료로 사용되는 알칸 계열의 화합물.
A flammable hydrocarbon gas that is a constituent of petroleum and is used in bottled form as a fuel for portable stoves and lighters.
예문:
"We need to buy a few extra canisters of butane for the camping trip."
"Butane is stored under pressure as a liquid in most cigarette lighters."
"The chemical formula for butane is C4H10, indicating it has four carbon atoms."