spec. A depression on the earth's surface; a place or tract below the general level or surrounded by heights; a valley, a basin.
单词 | θ2410 |
释义 | the world > the earth > land > landscape > low land > hollow or depression > [noun] > large hollow or basin (10) hollow1553 spec. A depression on the earth's surface; a place or tract below the general level or surrounded by heights; a valley, a basin. howe1584 A hollow place or depression; esp. a hollow on the surface of the earth, a basin or valley. lake-basin1833 a depression which contains, or has contained, a lake; also, the area drained by all the streams entering a lake. bolson1838 In the south-western U.S. and Mexico, a basin-shaped depression surrounded by mountains. Also bolson-plain. basinc1854 gen. A circular or oval valley or hollow. terr-oceanic basin1859 a hollow of the earth's surface consisting of an ocean basin together with the surrounding land whose rivers drain into it. bowl1860 A bowl-shaped natural basin. torsion-basin1899 a basin formed by torsion of the earth's crust in any region. cuvette1907 Geology. (See quot. 1929.) foredeep1909 a trench or elongated depression along the edge of an orogenic belt, often beneath the sea. |
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