| 释义 |
serac|səˈræk|
Also ‖ sérac.
[a. Swiss-Fr. sérac, orig. the name of a kind of white cheese; the transferred application was doubtless suggested by similitude of form.]
(See quot. 1898.)
1860Tyndall Glac. i. vii. 51 These ridges are often cleft by fissures..thus forming detached towers of ice..Foot-note. To such towers the name Séracs is applied. 1891G. F. Wright Ice Age N. Amer. 8 Fissures and seracs where the glacier moves down the steeper portion of its incline. 1898Encycl. Sports II. 54/1 (Mountaineering) Serac, a tower of ice on a glacier, formed by the intersection of crevasses. 1900Proc. Boston Soc. Nat. Hist. XXIX. 295 Weathering occurs where variations of external temperature penetrate to the bed-rock, as is particularly the case between the séracs of glacial cascades. 1933J. Buchan Prince of Captivity i. iii. 92 They came on ice-fields..and mountainous seracs which would have puzzled an Alpine climber. 1936M. Roberts Poems 36 The snow falls, and the séracs; and the green glacier-ice Moves down. 1963G. Carr Lewker in Norway vi. 124 On the further side of the right-hand ridge he could just see the upper séracs of the Bojumsbre. 1979C. Kilian Icequake vi. 86 Huge fields of seracs—the topographical nightmare caused by intersecting crevasses. |