nonrigid
See also: non-rigid
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nonrigid (not comparable)
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nonrigid (plural nonrigids)
- (aviation) An airship that maintains its shape only by internal gas pressure.
- Nonrigids are cheap and easy to build, store, and transport, but their lack of structural reinforcement limits them to smaller sizes and lower speeds than rigids or semirigids.
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- dirigible is not a synonym, but a hypernym; it refers to all steerable self-propelled airships, whether rigid, semirigid, or nonrigid.