ADJECTIVE
- relating to a balloon or other aircraft that flies because it weighs less than the air it displaces
How To Use lighter-than-air In A Sentence
- (Blimps use lighter-than-air gas, not hot air) 10: 16 PM Elementary!
- One of helium's better-known, but less commercially important, applications is in lighter-than-air craft, such as dirigibles, and in weather and research balloons.
- An airship is any lighter-than-air craft, including blimps, dirigibles and zeppelins. USATODAY.com - Rare air above the Super Bowl