单词 | orterde |
释义 | orterden. Soil Science. A compacted, but not cemented, lower horizon of a podzol. Cf. ortstein n. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > sandy soil sand1610 rosil1691 limon1890 orterde1928 arenosol1968 1928 C. L. Whittle tr. E. Ramann Evol. & Classif. Soils v. 69 Soft, easily-friable pans may be termed ‘Earthy Pans’ (Orterde). 1930 Bull. Wisconsin Geol. & Nat. Hist. Surv. 77A 86 Dark rusty brown sandy loam containing coffee-brown cemented lumps (the orterde of the Podsol). 1936 J. S. Joffe Pedol. vi. 132 These chemical compounds are responsible for the condition of ortstein and orterde (hard~pan). 1965 B. T. Bunting Geogr. Soil xiii. 152 Modal iron podsols are the true forest podzol, usually under spruce, with deep F1, 2, 3 layers, and deep orterde rather than pan. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1928 |
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