oversteepenedadj.

Brit.

/ˌəʊvəˈstiːp(ə)nd/, U.S.

/ˌoʊvərˈstip(ə)nd/

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

Etymology: < over- prefix + steepen v. + -ed suffix¹. Compare overdeepened adj. and slightly later oversteepening n.

Chiefly Physical Geography.

Steepened further; esp. (of a valley or slope) having a greater steepness than running water would have caused owing to the predominantly downward erosive action of a glacier. Cf. overdeepened adj.

ΘΚΠ

the world > the earth > land > landscape > low land > valley > [adjective] > other types

subsidiary1826

V-shaped1835

diaclinal1874

anaclinal1875

antecedent1875

cataclinal1875

consequent1875

superimposed1875

epigenetic1888

subsequent1889

insequent1897

oversteepened1900

re-entrant1901

1900 W. M. Davis in Proc. Boston Soc. Nat. Hist. 29 308 The waterfalls from the hanging valleys, the showering waste that forms the falls, and the landslides from the basal cliffs, all show that the banks of the glacial channel—the lower walls of the existing valleys—are too steep; and they may be therefore called ‘oversteepened’.

1970 R. J. Small Study of Landforms iv. 131 Each stream profile displays several apparent knick-points or oversteepened sections coincident with the gorges.

1990 A. S. Trenhaile Geomorphol. Canada iii. 37 Small rockfalls in the Rockies are common where glacially oversteepened slopes are weakened by frost action.

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

单词	oversteepened
释义	oversteepenedadj. Brit. /ˌəʊvəˈstiːp(ə)nd/, U.S. /ˌoʊvərˈstip(ə)nd/ Origin: Formed within English, by derivation. Etymons: over- prefix, steepen v., -ed suffix¹. Etymology: < over- prefix + steepen v. + -ed suffix¹. Compare overdeepened adj. and slightly later oversteepening n. Chiefly Physical Geography. Steepened further; esp. (of a valley or slope) having a greater steepness than running water would have caused owing to the predominantly downward erosive action of a glacier. Cf. overdeepened adj. ΘΚΠ the world > the earth > land > landscape > low land > valley > [adjective] > other types subsidiary1826 V-shaped1835 diaclinal1874 anaclinal1875 antecedent1875 cataclinal1875 consequent1875 superimposed1875 epigenetic1888 subsequent1889 insequent1897 oversteepened1900 re-entrant1901 1900 W. M. Davis in Proc. Boston Soc. Nat. Hist. 29 308 The waterfalls from the hanging valleys, the showering waste that forms the falls, and the landslides from the basal cliffs, all show that the banks of the glacial channel—the lower walls of the existing valleys—are too steep; and they may be therefore called ‘oversteepened’. 1970 R. J. Small Study of Landforms iv. 131 Each stream profile displays several apparent knick-points or oversteepened sections coincident with the gorges. 1990 A. S. Trenhaile Geomorphol. Canada iii. 37 Small rockfalls in the Rockies are common where glacially oversteepened slopes are weakened by frost action. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < adj.1900
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