Try Our Apps
Dictionary.com

follow Dictionary.com

Words You've Been Using Wrong

lighter-than-air

[lahy-ter-th uh n-air] /ˈlaɪ tər ðənˈɛər/
adjective, Aeronautics.
1.
(of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy.
2.
of or relating to lighter-than-air craft.
Origin of lighter-than-air
1900-1905
First recorded in 1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
British Dictionary definitions for lighter than air

lighter than air

adjective (lighter-than-air when prenominal)
1.
having a lower density than that of air
2.
of or relating to an aircraft, such as a balloon or airship, that depends on buoyancy for support in the air
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Nearby words for lighter than air

Word Value for lighter

11
12
Scrabble Words With Friends