overdeepenedadj.

Brit.

/ˌəʊvəˈdiːp(ə)nd/, U.S.

/ˌoʊvərˈdip(ə)nd/

Origin: Formed within English, by derivation. Etymons: over- prefix, deepen v., -ed suffix¹.

Etymology: < over- prefix + deepen v. + -ed suffix¹. Compare overdeepening n., overdeepen v.

Chiefly Physical Geography.

1. Of a valley: eroded more deeply by glacial action than would occur by water erosion alone. Cf. oversteepened adj.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > subsidence

overdeepened1900

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

overdeepened1900

planated1911

planate1952

karstified1968

1900 Science 5 Jan. 34/2 The most original physiographic essay presented to the recent International Geographical Congress at Berlin was one by Penck on the over-deepened valleys of the Alps.

1968 R. W. Fairbridge Encycl. Geomorphol. 743/2 The rock floors of overdeepened troughs remain bare in parts.

1986 B. W. Sparks Geomorphol. (ed. 3) 320 No one would seriously suggest that such features as corries, glacial troughs and overdeepened basins are still being formed.

2. More generally: made excessively or abnormally deep; esp. further deepened by erosion.

ΚΠ

1929 Science 8 Feb. 141/1 The Caribbean waterway is now an abyssal and overdeepened one, but it appears to have had at all times depths greater than 10,000 feet.

1971 Philos. Trans. (Royal Soc.) B. 260 55 Greatest depths of up to 27 m are found in scoured and overdeepened sections distant from the mouth [of the channel leading to the open sea].

1996 Jrnl. Appl. Ecol. 33 267/2 It will..be important to ensure that new ponds are made to an appropriate design, since overdeepened water bodies can promote competitors and predators of natterjack tadpoles.

This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022).

单词	overdeepened
释义	overdeepenedadj. Brit. /ˌəʊvəˈdiːp(ə)nd/, U.S. /ˌoʊvərˈdip(ə)nd/ Origin: Formed within English, by derivation. Etymons: over- prefix, deepen v., -ed suffix¹. Etymology: < over- prefix + deepen v. + -ed suffix¹. Compare overdeepening n., overdeepen v. Chiefly Physical Geography. 1. Of a valley: eroded more deeply by glacial action than would occur by water erosion alone. Cf. oversteepened adj. ΘΚΠ the world > the earth > structure of the earth > formation of features > tectonization or diastrophism > [adjective] > subsidence overdeepened1900 the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > erosion of specific features overdeepened1900 planated1911 planate1952 karstified1968 1900 Science 5 Jan. 34/2 The most original physiographic essay presented to the recent International Geographical Congress at Berlin was one by Penck on the over-deepened valleys of the Alps. 1968 R. W. Fairbridge Encycl. Geomorphol. 743/2 The rock floors of overdeepened troughs remain bare in parts. 1986 B. W. Sparks Geomorphol. (ed. 3) 320 No one would seriously suggest that such features as corries, glacial troughs and overdeepened basins are still being formed. 2. More generally: made excessively or abnormally deep; esp. further deepened by erosion. ΚΠ 1929 Science 8 Feb. 141/1 The Caribbean waterway is now an abyssal and overdeepened one, but it appears to have had at all times depths greater than 10,000 feet. 1971 Philos. Trans. (Royal Soc.) B. 260 55 Greatest depths of up to 27 m are found in scoured and overdeepened sections distant from the mouth [of the channel leading to the open sea]. 1996 Jrnl. Appl. Ecol. 33 267/2 It will..be important to ensure that new ponds are made to an appropriate design, since overdeepened water bodies can promote competitors and predators of natterjack tadpoles. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < adj.1900
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