A lighter-than-air aircraft; spec. a balloon. In later use chiefly U.S. Now rare.
单词 | θ208144 |
释义 | society > travel > air or space travel > a means of conveyance through the air > [noun] > an aircraft > lighter-than-air aircraft (5) aerostat1784 A lighter-than-air aircraft; spec. a balloon. In later use chiefly U.S. Now rare. flying boat1784 (a) an experimental flying machine built by J. P. Blanchard; (b) a boat-shaped car on a merry-go-round; (c) a form of seaplane having a boat-like… airboat1852 A lighter-than-air aircraft; = airship, n. 1a. Obsolete. aeronef1861 A flying machine, an aircraft; spec. (a) a lighter-than-air flying machine, a balloon, esp. a dirigible balloon, an airship; (b) a heavier-than-air… lighter-than-air1910 A lighter-than-air craft. Also: lighter-than-air flight. |
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