单词 | u-like |
释义 | > as lemmasU-like a. Used with reference to the shape of the (capital) letter, esp. attributive and in other combinations, as U-like adj., U-shape. U-shaped adj.: spec. designating or pertaining to a valley having such a cross-section, esp. as a result of glacial erosion. ΘΠ the world > space > shape > curvature > types of curvature > [adjective] > U-shaped U-shaped1822 the world > space > shape > curvature > types of curvature > [noun] > in shape of U or J U-shape1875 J1895 1822 J. M. Good Study Med. I. 429 A minute semilunar bone, which, from its resemblance to the Greek letter υ or u-psilon, is called the hyoid or u-like bone. 1842 E. A. Parnell Elements Chem. Anal. (1845) 457 The water in the bottle is withdrawn, air entering through the U-shaped tube at the same time. 1857 W. K. Loftus Trav. Chaldæa & Susiana xxi. 270 Three mud bricks were laid down in the form of the capital letter U. 1872 E. Coues Key to N. Amer. Birds 234 Below, the spots fewer, brown, U-shaped. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 88 The mother-cells are so developed that from the young..epidermis-cell, a small piece is cut out on one side by a wall bent in a U-shape. 1894 Jrnl. Geol. (Chicago) 2 350 Glacial cañons are..U shaped rather than V shaped in cross-profile. 1909 Bull. Geol. Soc. Amer. 20 409 (heading) Striations and U-shaped valleys produced by other than glacial action. 1970 R. J. Small Study of Landforms xi. 367 Virtually all U-shaped valleys in glaciated areas have been produced by the glacial modification of pre-existing river valleys. < as lemmas |
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