Relating to or denoting a balloon or other aircraft weighing less than the air it displaces, and so flying as a result of its own buoyancy.
（热气球等飞行物）比空气轻的（借浮力升空飞行）
Example sentencesExamples
The present invention relates generally to the field of lighter-than-air ships and more particularly to a airship that uses hydrogen as a lift gas.
Before lifting off on your scientific inquiry into ballooning and lighter-than-air flight, it helps to have some background information about the history of ballooning.
Helium (an inert non-flammable lighter-than-air gas) sustains the Air Rotor which ascends to an altitude for best winds.
Balloons and airships are lighter-than-air, and fly because they are buoyant, which is to say that the total weight of the aircraft is less than the weight of the air it displaces.
Although the days of the Zeppelins have passed, lighter-than-air craft remain in the public eye because of their use in televising sporting events.
Definition of lighter-than-air in US English:
lighter-than-air
adjectiveˌlīdərT͟Hənˈerˌlaɪdərðənˈɛr
attributiveRelating to or denoting a balloon or other aircraft weighing less than the air it displaces, and so flying as a result of its own buoyancy.
（热气球等飞行物）比空气轻的（借浮力升空飞行）
Example sentencesExamples
Although the days of the Zeppelins have passed, lighter-than-air craft remain in the public eye because of their use in televising sporting events.
Helium (an inert non-flammable lighter-than-air gas) sustains the Air Rotor which ascends to an altitude for best winds.
Before lifting off on your scientific inquiry into ballooning and lighter-than-air flight, it helps to have some background information about the history of ballooning.
The present invention relates generally to the field of lighter-than-air ships and more particularly to a airship that uses hydrogen as a lift gas.
Balloons and airships are lighter-than-air, and fly because they are buoyant, which is to say that the total weight of the aircraft is less than the weight of the air it displaces.