ZR has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of ZR in Governmental & Military.
A rigid airship is a type of airship in which the envelope is supported by an internal framework rather than by being kept in shape by the pressure of the lifting gas within the envelope, as in blimps and semi-rigid airships. Rigid airships are often commonly called Zeppelins.
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