lighter-than-air

light·er-than-air

L5171100 (lī′tər-thən-âr′)adj. Having a weight less than that of the air displaced. Used of certain aircraft such as balloons and dirigibles.

light′er-than-air′

adj. 1. (of an aircraft) weighing less than the air it displaces, hence obtaining lift from aerostatic buoyancy. 2. of or pertaining to lighter-than-air craft. [1900–05]

Thesaurus

Adj.

lighter-than-air - relating to a balloon or other aircraft that flies because it weighs less than the air it displacesaircraft - a vehicle that can flylight - of comparatively little physical weight or density; "a light load"; "magnesium is a light metal--having a specific gravity of 1.74 at 20 degrees C"

lighter-than-air

light·er-than-air

light′er-than-air′

lighter-than-air

Words related to lighter-than-air

adj relating to a balloon or other aircraft that flies because it weighs less than the air it displaces

Related Words