| 释义 |
piton|ˈpiːtɒn|
[a. Fr., = ‘eye-bolt’, also ‘piton’.]
1. Physical Geogr. (See quot. 1972.)
1902Pop. Sci. Monthly July 274 Northern Martinique, like other West Indian islands, is a labyrinth of mornes and pitons, i.e., of singularly steep peaks and ridges (partly volcanic cones, partly erosional forms), densely clothed with forests and herbage. 1918C. W. Beebe Jungle Peace (1919) iii. 56 A small wandering rainstorm drifted against the smallest piton and split in two. 1944C. A. Cotton Volcanoes xi. 177 (heading) Smooth cliffs..moulded during vertical extrusion of a plug dome to form the piton Lassen Peak, California. 1972Gloss. Geol. (Amer. Geol. Inst.) 543/1 Piton, a term commonly used for volcanic peaks, especially steep-sided domes, in the West Indies and other French-speaking regions. 1976Sat. Rev. (U.S.) 30 Oct. 26/2 St. Lucia..offers..cone⁓shaped volcanic peaks and twin pitons.
2. Mountaineering. (See quot. 1909.)
1898Encycl. Sport II. 49/2 Snatch blocks and other kinds of pulleys, pitons or holdfasts..are also requisite. 1909C. E. Benson Brit. Mountaineering ii. 40 Piton—a strong iron spike with an eye at one end through which a rope can be passed. 1916G. D. Abraham On Alpine Heights & Brit. Crags iii. 64 He surprised us by scraping the ice off a ring-headed piton which was driven into a rock crevice. 1936Auden & Isherwood Ascent of F6 ii. i. 75 They're hammering the whole south face full of pitons and hauling each other up like sacks! 1955, etc. [see étrier]. 1959‘G. Carr’ Swing away, Climber iii. 58 He carried a multitude of short metal pegs with holes in the blunt end—pitons. 1972Country Life 13 Jan. 94/3 From time to time a piton has to be hammered in, for..the rock disintegrates.
3. Comb. (in sense 2), as piton belay; piton hammer, a hammer designed for fixing and extracting belays; piton runner, a piton used as a running belay.
1971C. Bonington Annapurna South Face xiii. 164 On reaching the ledge leading into the main icefields, Mick hunted around for piton belays, eventually found a couple of suitable cracks and abseiled back.
1943R. C. Geist Hiking, Camping & Mountaineering 227 They are driven into rock cracks or into ice by a special piton hammer. 1952Morin & Smith tr. Herzog's Annapurna ix. 141, I used my piton-hammer..as an anchor. 1971C. Bonington Annapurna South Face vi. 76 The whammer, a space-age style piton-hammer of his own design. Ibid. x. 117 The rope behind Martin was dragging badly because of the friction caused by its passage through the tunnel and various piton runners. |