单词 | pegasse |
释义 | pegassen. A dark, loose, peaty, acidic soil formed by decomposition of plant material and found chiefly in parts of Guyana. Frequently attributive. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > organic soil > peat or peaty soil peat1400 turbaryc1450 turf1510 moor1596 moor earth1607 bog-earth1787 yarpha1805 pegasse1825 bog-mould1834 1825 W. Hilhouse Indian Notices iv. 45 A stratum of vegetable residuum, called pegas, which is the half-decayed vegetable mould from dead grass and leaves.., in many places, several feet deep... Behind the pegas lands, come high ridges of sand. 1837 Jrnl. Royal Geogr. Soc. 7 291 The deposits called pegas are formed of half-decayed vegetable mould from leaves and grass which are swept from the land during the annual inundation. 1852 Jrnl. Statist. Soc. 15 231 A deep layer of vegetable mould, forming what is called a pegass soil. 1924 Chambers's Jrnl. July 475/1 Suckers should be planted..15 feet apart on pegass or peat soil. 1959 Listener 17 Sept. 435/1 The north-west of Guiana is a place of countless ridges of hills islanded in a sea of pegasse swamp. 1977 Geogr. Rev. 67 474 The discovery of deep pegasse, an organic soil, along the planned route of a major road made its construction impossible. Derivatives peˈgassy adj. ΚΠ 1954 Jrnl. Ecol. 42 212 Pegassy clay soils lose water very quickly by seepage owing to the porous nature of the soil. 1976 Guyana Chron. 28 Nov. 5 The experimental area of pegasse and pegassy clay soils. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1825 |
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