| English Dictionary |
LIGHTER-THAN-AIR
| Pronunciation (US): |  | (GB): | |
| IPA (US): |  |
Dictionary entry overview: What does lighter-than-air mean?
• LIGHTER-THAN-AIR (adjective)
The adjective LIGHTER-THAN-AIR has 1 sense:
1. relating to a balloon or other aircraft that flies because it weighs less than the air it displaces
Familiarity information: LIGHTER-THAN-AIR used as an adjective is very rare.
Dictionary entry details
• LIGHTER-THAN-AIR (adjective)
Sense 1
Meaning:
Relating to a balloon or other aircraft that flies because it weighs less than the air it displaces
Similar:
light (of comparatively little physical weight or density)
Domain category:
aircraft (a vehicle that can fly)
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