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单词 overdeepening
释义

overdeepeningn.

Brit. /ˌəʊvəˈdiːpənɪŋ/, /ˌəʊvəˈdiːpn̩ɪŋ/, U.S. /ˌoʊvərˈdip(ə)nɪŋ/
Origin: Formed within English, by derivation; probably modelled on a German lexical item. Etymons: over- prefix, deepening n.
Etymology: < over- prefix + deepening n., probably after German Übertiefung (A. Penck 1899, in Verhandl. des 7. Internat. Geographen-Kongr. (1901) II. 232). Compare overdeepened adj., overdeepen v.
Chiefly Physical Geography.
The action or process of overdeepen v.
ΘΚΠ
the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [noun] > subsidence
bump1860
roll1883
overdeepening1901
cauldron subsidence1909
load-casting1953
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
1901 Science 8 Mar. 396/1 Kilian..dissents from the opinion that the overdeepening of glaciated Alpine valleys and the associated discordant mouthing of the hanging lateral valleys are results of glacial erosion.
1968 R. W. Fairbridge Encycl. Geomorphol. 327/1 Regardless of whether the overdeepening of the river mouth is primarily due to eustatic rise of sea level or tectonic subsidence, it is said to be a drowned valley.
1997 Jrnl. Biogeogr. 24 4/1 How do we reconcile this continuity with repeated coastal glaciations over the last 40 m. y. and demonstrable over-deepening of the continental shelves?
This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).
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n.1901
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