| 释义 |
sky-hook
Also sky hook, skyhook.
[sky n.1]
1. a. orig. Aeronaut. An imaginary contrivance for attachment to the sky; an imaginary means of suspension in the sky.
1915Aeroplane 10 Mar. 222 The battery signaller sent a message: ‘Battery out of action for an hour, remain aloft awaiting orders.’ Back came the reply with remarkable promptitude: ‘Submitted; that this machine is not fitted with sky-hooks.’ 1933Ibid. 11 Jan. 47/1 They [sc. slots] have in fact been used as..sky-hooks on the wing tips. 1948Register Sept. 262 Mr. Shaw's plea..is, at bottom, a plea for a skyhook. For that common agreement which it assumes hung from a skyhook and was broken when we severed it from its support. 1960R. W. Marks Dymaxion World of B. Fuller 28/1 With each thrust of his wings, the duck generates a momentary vacuum sky-hook above each wing. 1970D. Waterfield Continental Waterboy i. 6, I..was prepared to..fetch him a left-handed wrench, a skyhook, anything.
b. Applied to various devices or craft capable of lifting something into the air, as: a hook on an aircraft; an aerial cableway; a balloon, helicopter, etc., designed for lifting. orig. U.S.
1935Meier & Lindbergh in Sci. Monthly (N.Y.) Jan. 5 An instrument new to transatlantic airplanes..which, being untried, was noncommitally called the ‘sky hook’. 1945Collier's Mag. 27 Jan. 38/4 He tried building a model of one of these seed pods, blowing it up to the size of a man and loading its hollow container with cargo. It spiraled down vertically and could safely bring 100 pounds to earth from any height... The device, now nicknamed the ‘skyhook’, is fluttering down on many Allied battlefields. 1949Sun (Baltimore) 13 Aug. 12/3 That long renowned but hitherto incredible gadget, the sky-hook, is now a reality... It is known as ‘The Aerial Track Airport: a cable runway for landing and launching airplanes’. 1951N.Y. Times 13 Feb. 1/7 The balloons, called skyhooks by the Navy researchers, were released at many points in the country. 1966Science 11 Feb. 682 (heading) Satellite elongation into a true ‘sky-hook’. 1970[see dogman s.v. dog n. 20 a]. 1982Monitor (McAllen, Texas) 25 Mar. 1-a/1 The shuttle's robot arm lifted a space environment monitor out of the payload bay today in an important ‘first’ that proved the remotely controlled skyhook will be able to launch satellites.
2. Mountaineering. A hook fixed into a rock-face, from which ropes, etc., may depend.
1957Appalachia 15 Dec. 452 On the one occasion when I carried a ‘skyhook’ among my pitons I was no less than delighted to find it really could be used to circumvent the placing of a bolt. 1968P. Crew Encycl. Dict. Mountaineering 108/2 Sky-hook..consists of a flattened hook of high quality steel... Sky-hooks have a small eye, to which a sling and étrier can be attached... They are particularly useful on loose flakes..which would probably break off if a piton was used. 1976[see rurp]. |