Rigid

Definitions

1. An airship whose shape is maintained solely by an internal and/or external rigid structural framework, without using internal gas pressure to stiffen the vehicle (the lifting gas is at atmospheric pressure); typically also equipped with multiple redundant gasbags, unlike other types of airship.
2. A bicycle with no suspension system.

Equivalents

Examples

“The rigid could reach⟳ the greatest sizes and speeds of any airship, but was expensive to build⟳ and bulky to store. Rigids fell out of favor after the R101 and Hindenburg disasters made the type⟳ seem unsafe to the travelling public.”

CEFR level