Dictionary

lighter–than–air

adjective

: able to float in the air

Full Definition of LIGHTER-THAN-AIR

:  of less weight than the air displaced

First Known Use of LIGHTER-THAN-AIR

1903

Browse

Next Word in the Dictionary: lightfacePrevious Word in the Dictionary: lighter–outAll Words Near: lighter-than-air
March 31, 2015
refluent Hear it
Flowing back
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears