steepheadn.

Etymology: < steep adj. + head n.¹Previous versions of the OED give the stress as: ˈsteephead.

U.S. (originally local). Physical Geography.

A nearly vertical slope, from the base of which springs emerge, at the head of a pocket valley (see pocket n. and adj. Phrases 2).

ΘΚΠ

the world > the earth > land > landscape > high land > slope > [noun] > steep

cliffOE

cleevec1300

hangingc1400

braea1500

steep1555

steepness1585

proclivity1645

upright1712

sliddera1793

snab1797

scarp1802

escarpment1815

shin1817

escarp1856

hag1868

jump-off1873

inface1896

fault-scarp1897

scarping1909

fault-line scarp1911

steephead1918

jump-up1927

1918 10th & 11th Ann. Rep. Florida Geol. Surv. 27 A characteristic feature of this topography is the development of what is [sic] known locally as ‘steepheads’.

1918 10th & 11th Ann. Rep. Florida Geol. Surv. 27 The depth of the steephead from the plateau is usually from 50 to 60 or more feet.

1942 O. D. von Engeln Geomorphol. xxii. 569 Pocket valleys of similar origin are also of widespread occurrence in northwestern Florida where they are known as steep-heads.

1971 J. N. Jennings Karst vi. 112 A distinction is sometimes made between steepheads incised to an impervious basement and pocket valleys of the same general nature but within the karst rock outcrop.

This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2019).

单词	steephead
释义	steepheadn. Etymology: < steep adj. + head n.¹Previous versions of the OED give the stress as: ˈsteephead. U.S. (originally local). Physical Geography. A nearly vertical slope, from the base of which springs emerge, at the head of a pocket valley (see pocket n. and adj. Phrases 2). ΘΚΠ the world > the earth > land > landscape > high land > slope > [noun] > steep cliffOE cleevec1300 hangingc1400 braea1500 steep1555 steepness1585 proclivity1645 upright1712 sliddera1793 snab1797 scarp1802 escarpment1815 shin1817 escarp1856 hag1868 jump-off1873 inface1896 fault-scarp1897 scarping1909 fault-line scarp1911 steephead1918 jump-up1927 1918 10th & 11th Ann. Rep. Florida Geol. Surv. 27 A characteristic feature of this topography is the development of what is [sic] known locally as ‘steepheads’. 1918 10th & 11th Ann. Rep. Florida Geol. Surv. 27 The depth of the steephead from the plateau is usually from 50 to 60 or more feet. 1942 O. D. von Engeln Geomorphol. xxii. 569 Pocket valleys of similar origin are also of widespread occurrence in northwestern Florida where they are known as steep-heads. 1971 J. N. Jennings Karst vi. 112 A distinction is sometimes made between steepheads incised to an impervious basement and pocket valleys of the same general nature but within the karst rock outcrop. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2019). < n.1918
随便看	exteriorizations exteriorize exteriorized exteriorizes exteriorizing exteriorly exteriors exterminable exterminate exterminated exterminates exterminating extermination extermination camp exterminations exterminative exterminator exterminators exterminatory exterminatress exterminatrix extermine extermined extermines extermining