An aircraft which derives its lift and propulsive power principally from the action of one or more lifting screws or rotor-blades, usually…
| 单词 | θ207952 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > [noun] > helicopter or gyrocopter (19) helicopter1861 An aircraft which derives its lift and propulsive power principally from the action of one or more lifting screws or rotor-blades, usually… automotive1865 Chiefly U.S. Originally: any self-propelled machine or vehicle; (later) an automobile, a car. Now usually in plural: automobiles collectively, esp… gyroplane1907 = gyrocopter n. gyropter1908 a rotary-wing aircraft. gyrocopter1915 a kind of helicopter; now spec. a small, light, single-seater one (cf. autogiro, n.). egg-beater1937 = helicopter, n. (see also quot. 1946). U.S. slang. mixmaster1946 slang. A propeller-driven or rotor-driven aircraft; spec. a helicopter. 'copter1947 = helicopter, n. Also attributive. chopper1951 A helicopter. slang (originally U.S.). whirlybird1951 A helicopter. Subcategories:— proprietary types (4) — for military use (2) — for large number of passengers (1) — type of small (2) |
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