pediplanen.

Brit.

/ˈpɛdᵻpleɪn/, U.S.

/ˈpɛdəˌpleɪn/

Origin: Formed within English, by compounding. Etymons: pediment n., plane n.³

Etymology: < pedi- (in pediment n.) + plane n.³ (compare quot. 1942). Compare earlier pediplain n.

Geomorphology.

A piedmont slope in arid and semi-arid regions comprising a pediment and a peripediment (or just one of these, if the other is not present). Cf. pediplain n.

ΘΚΠ

the world > the earth > land > landscape > high land > mountain > [noun] > range > area at foot of

skirt1598

piedmont1860

thigh1889

pediment1897

pediment pass1930

pediplane1942

peripediment1942

1942 A. D. Howard in Jrnl. Geomorphol. 5 11 The writer proposes the term pediplane as a general term for all degradational piedmont surfaces produced in arid climates which are either exposed or covered by a veneer of contemporary alluvium no thicker than that which can be moved during floods.

1948 Bull. Geol. Soc. Amer. 59 370 In regions of rising base level the pediplane will be made up for the most part of a peripediment, and the pediment as a near-mountain zone cut on solid rock is sometimes overlooked.

1992 Jrnl. Ecol. 80 691/2 Those correspond respectively to levels identified generally for Brazilian Amazonia (Bigarella & Ferreira 1985); the upper to Pediplane Pd 2, a late Tertiary surface; and lower to Pediplane Pd 1, a Plio-Pleistocene surface.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pediplane
释义	pediplanen. Brit. /ˈpɛdᵻpleɪn/, U.S. /ˈpɛdəˌpleɪn/ Origin: Formed within English, by compounding. Etymons: pediment n., plane n.³ Etymology: < pedi- (in pediment n.) + plane n.³ (compare quot. 1942). Compare earlier pediplain n. Geomorphology. A piedmont slope in arid and semi-arid regions comprising a pediment and a peripediment (or just one of these, if the other is not present). Cf. pediplain n. ΘΚΠ the world > the earth > land > landscape > high land > mountain > [noun] > range > area at foot of skirt1598 piedmont1860 thigh1889 pediment1897 pediment pass1930 pediplane1942 peripediment1942 1942 A. D. Howard in Jrnl. Geomorphol. 5 11 The writer proposes the term pediplane as a general term for all degradational piedmont surfaces produced in arid climates which are either exposed or covered by a veneer of contemporary alluvium no thicker than that which can be moved during floods. 1948 Bull. Geol. Soc. Amer. 59 370 In regions of rising base level the pediplane will be made up for the most part of a peripediment, and the pediment as a near-mountain zone cut on solid rock is sometimes overlooked. 1992 Jrnl. Ecol. 80 691/2 Those correspond respectively to levels identified generally for Brazilian Amazonia (Bigarella & Ferreira 1985); the upper to Pediplane Pd 2, a late Tertiary surface; and lower to Pediplane Pd 1, a Plio-Pleistocene surface. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1942
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