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
a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
a state of excessive gas in the alimentary canal
a pedal that controls the throttle valve
a fossil fuel in the gaseous state; used for cooking and heating homes
French chemist and physicist who isolated the element boron(1809) and formulated a law that explains the behavior of a gas under constant pressure. 盖鲁萨克,约瑟夫·路易斯1778-1850法国化学家和物理学家,析出硼元素(1809年), 并且确切陈述了解释气体在固定压力下的表现方式的定律
The mechanic gassed up the planes for their long trip. 机械师为飞机加满油作长途飞行。
Gas up a car; gassed up before the trip. 给小汽车加油; 在出发之前把油加好