单词 | outcropping |
释义 | outcroppingn. 1. An appearance, emergence, or outbreak; something which protrudes; an outward manifestation: = outcrop n. 2. ΘΚΠ the world > physical sensation > sight and vision > visibility > [noun] > appearing or becoming visible appearingc1375 showinga1387 appearancec1400 peeping1593 appear?1610 apparition1652 outcropping1836 epiphany1859 1836 N. Amer. Rev. Oct. 505 No period of youth is more strongly marked by the outcropping of those qualities than that in which a college course is ordinarily begun. 1855 M. F. Maury Physical Geogr. Sea vi. §383 Here the outcroppings of the relation between magnetism and the circulation of the atmosphere again appear. 1887 Athenæum 25 June 830/2 The sudden outcropping of a school of young..and promising critics. a1911 D. G. Phillips Susan Lenox (1917) I. ii. 15 She had a thick, pudgy face, an oily skin, an outcropping of dull red pimples on the chin. 1962 N. Davis & C. L. Wrenn Eng. & Medieval Stud. 227 The idea that ferlies are Jungian outcroppings from the collective unconscious. 1990 Paris Rev. Fall 38 A guy..guides the impatient northbound traffic around the outcropping of the cab's rear end. 2. An outcrop of rock; the action or fact of cropping out. ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > position or direction of strata > outcrop > cropping out crop1686 outcropping1839 1839 J. Buel Farmer's Compan. 103 Subsoil draining, or the drainage of waters that rise through the subsoil, or pass off at its outcroppings, as upon the declivities of hills, etc. 1882 R. L. Stevenson New Arabian Nights II. 6 An outcropping of rock had formed a bastion for the sand. 1923 ‘B. M. Bower’ Parowan Bonanza 13 Outcropping of lively looking rock, Jim. 1967 J. Challinor Dict. Geol. (ed. 3) 142/2 To the present writer it seems that nearly all knick points are due to some commoner and more compelling cause, such as the outcropping of a hard bed. 1993 Canad. Geographic Mar. 74/1 The strand itself was flat and narrow, a thin sickle of dark sand sweeping between jumbled outcroppings of bedrock a kilometre or more apart. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online June 2022). outcroppingadj. Geology and Mining. That crops out; (of a stratum or vein) emerging at the surface of the ground. ΘΚΠ the world > the earth > structure of the earth > structural features > sedimentary formation > [adjective] > of or belonging to a stratum > outcrop outcropping1845 society > occupation and work > workplace > places where raw materials are extracted > mine > [adjective] > relating to specific parts of mine under-dip1839 under-level1852 upstoop1883 outcropping1939 1845 Silliman's Amer. Jrnl. Apr. 299 Brine springs..issue, at the outcropping edges of the siliceous portion of the mass. 1885 ‘C. E. Craddock’ Prophet Great Smoky Mountains viii Emerging..upon a slope of outcropping ledges, where his horse left no hoof-print. 1939 G. Jones Esyllt Ferch Brychan in Coll. Poems i. 4 The still gorse-hissing hill burns, brags gold broom's Outcropping quartz. 1986 J. Goff et al. Habitat of Palaeozoic Gas in N.W. Europe (BNC) 40 The thrust plane is on strike with the outcropping Mendip folds which are overthrust to the north. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < n.1836adj.1845 |
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