non·rig·id

[non-rij-id]
adjective
1.
not rigid.
2.
designating a type of airship having a flexible gas container without a supporting structure and held in shape only by the pressure of the gas within.

Origin:
1905–10; non- + rigid

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World English Dictionary
nonrigid (nɒnˈrɪdʒɪd) [Click for IPA pronunciation guide]
 
adj
1.  not rigid; flexible
2.  (of the gas envelope of an airship) flexible and held in shape only by the internal gas pressure

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Nonrigid is always a great word to know.
So is ninnyhammer. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a fool or simpleton; ninny.
Example sentences
The first nonrigid airship it acquired was an unusual airship because it was metal-clad.
The blimps frequently present above large sporting events are usually nonrigid airships.
Nonrigid airships have no frame and use only gas and envelope design to keep their shape.
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