dreikantern.

/ˈdrʌɪkɑːntə/

/ˈdrʌɪkantə/

Forms: Plural unchanged, dreikanters.

Etymology: < German dreikanter, lit. three-edged thing, < drei three + kante edge (see cant n.¹) + -er -er suffix¹.

An angular, faceted pebble the surface of which has been cut by wind-blown sand; esp. one with three facets.

ΚΠ

1903 Nature 10 Dec. 143/1 A collection of wind-worn pebbles of quartz and quartzite from an old raised beach near Waverley, North Island, New Zealand,..was exhibited by the president. They have been cut by the sand driven by the wind into the characteristic Dreikanter.

1920 Brit. Museum Return 137 Three dreikanten [sic] from the Bunter Sandstone of Nottingham.

1938 A. K. Wells Outl. Hist. Geol. xiii. 147 The quartzite and other pebbles in the Keuper in this region are not dreikanters.

1944 A. Holmes Princ. Physical Geol. xiii. 258 Such wind-faceted pebbles, which often resemble Brazil nuts,..are known as dreikanter or ventifacts.

1946 F. E. Zeuner Dating Past Pl. x. (caption) A ‘dreikanter’, a quartzite boulder facetted by blown sand.

1970 R. J. Small Study of Landforms ix. 301 Such abrasion is capable of..shaping individual boulders and small stone into ‘ventifacts’, notably the well-known ‘dreikanter’ with their three faceted sides.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2018).

单词	dreikanter
释义	dreikantern. /ˈdrʌɪkɑːntə//ˈdrʌɪkantə/ Forms: Plural unchanged, dreikanters. Etymology: < German dreikanter, lit. three-edged thing, < drei three + kante edge (see cant n.¹) + -er -er suffix¹. An angular, faceted pebble the surface of which has been cut by wind-blown sand; esp. one with three facets. ΚΠ 1903 Nature 10 Dec. 143/1 A collection of wind-worn pebbles of quartz and quartzite from an old raised beach near Waverley, North Island, New Zealand,..was exhibited by the president. They have been cut by the sand driven by the wind into the characteristic Dreikanter. 1920 Brit. Museum Return 137 Three dreikanten [sic] from the Bunter Sandstone of Nottingham. 1938 A. K. Wells Outl. Hist. Geol. xiii. 147 The quartzite and other pebbles in the Keuper in this region are not dreikanters. 1944 A. Holmes Princ. Physical Geol. xiii. 258 Such wind-faceted pebbles, which often resemble Brazil nuts,..are known as dreikanter or ventifacts. 1946 F. E. Zeuner Dating Past Pl. x. (caption) A ‘dreikanter’, a quartzite boulder facetted by blown sand. 1970 R. J. Small Study of Landforms ix. 301 Such abrasion is capable of..shaping individual boulders and small stone into ‘ventifacts’, notably the well-known ‘dreikanter’ with their three faceted sides. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2018). < n.1903
随便看	non-rhotic non-riding non-rigid non-rigorous non-roman non-rotating non-routine non-royal non-ruminant non-saint non-sane non-sanity non-sanity of memory non-saponifiable non-saturated non-scene non-sceptical non-sched non-scheduled non-science non-scientific non-scientist non-scriber non-scripted non-seat