Of a structure, material, etc.: not rigid; spec. (of an airship) having no framework to support the envelope, and therefore having a shape which is…
单词 | θ207974 |
释义 | society > travel > air or space travel > a means of conveyance through the air > balloons and airships > [adjective] > types of airship (3) non-rigid1874 Of a structure, material, etc.: not rigid; spec. (of an airship) having no framework to support the envelope, and therefore having a shape which is… rigid1901 Of an airship: having a shape determined by a stiff internal framework, rather than solely by the pressure of gas in the envelope. Cf. non-rigid, adj.… semi-rigid1908 Of an airship: having a flexible gas container to which is attached a stiffened keel or framework. |
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