pedimentationn.

Brit.

/ˌpɛdᵻmɛnˈteɪʃn/, U.S.

/ˈˌpɛdəmənˈteɪʃ(ə)n/

Origin: Formed within English, by derivation. Etymons: pediment n., -ation suffix.

Etymology: < pediment n. + -ation suffix.

Geomorphology.

The formation of a pediment (pediment n. 3).

ΘΚΠ

the world > the earth > structure of the earth > formation of features > erosion or weathering > [noun] > erosion of specific features

planation1877

lateritization1882

wedging1882

laterization1890

peneplanation1899

overdeepening1901

karsting1921

laterizing1929

panplanation1933

pedimentation1940

pediplanation1942

karstification1958

1940 Ann. Assoc. Amer. Geographers 30 67 The development of graded slopes (haldenhange of Penck and ‘wash slopes’ hereinafter) in interstream areas is recognized as a factor in pedimentation.

1962 L. C. King Morphol. of Earth v. 146 Together, scarp retreat (by gully-head erosion and mass slipping of material) and pedimentation (by bedrock levelling and sheet-waste removal) are the most potent agents modifying epigene landscapes.

1984 Instit. Brit. Geogr. New ser. 9 370 Dartmoor tors have been attributed to the single or combined effect of hydrothermal alteration of the granite, past chemical and physical weathering, pedimentation and presently acting processes.

2000 Earth Surface Processes & Landforms 25 29 The present-day configuration and overall morphology..formed in the early stages of its development by both stream erosion and subsequent pedimentation.

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

单词	pedimentation
释义	pedimentationn. Brit. /ˌpɛdᵻmɛnˈteɪʃn/, U.S. /ˈˌpɛdəmənˈteɪʃ(ə)n/ Origin: Formed within English, by derivation. Etymons: pediment n., -ation suffix. Etymology: < pediment n. + -ation suffix. Geomorphology. The formation of a pediment (pediment n. 3). ΘΚΠ the world > the earth > structure of the earth > formation of features > erosion or weathering > [noun] > erosion of specific features planation1877 lateritization1882 wedging1882 laterization1890 peneplanation1899 overdeepening1901 karsting1921 laterizing1929 panplanation1933 pedimentation1940 pediplanation1942 karstification1958 1940 Ann. Assoc. Amer. Geographers 30 67 The development of graded slopes (haldenhange of Penck and ‘wash slopes’ hereinafter) in interstream areas is recognized as a factor in pedimentation. 1962 L. C. King Morphol. of Earth v. 146 Together, scarp retreat (by gully-head erosion and mass slipping of material) and pedimentation (by bedrock levelling and sheet-waste removal) are the most potent agents modifying epigene landscapes. 1984 Instit. Brit. Geogr. New ser. 9 370 Dartmoor tors have been attributed to the single or combined effect of hydrothermal alteration of the granite, past chemical and physical weathering, pedimentation and presently acting processes. 2000 Earth Surface Processes & Landforms 25 29 The present-day configuration and overall morphology..formed in the early stages of its development by both stream erosion and subsequent pedimentation. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1940
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