dreikanter
See also: Dreikanter
English edit
Etymology edit
Borrowed from German Dreikanter.
Noun edit
dreikanter (plural dreikanters)
- (petrology) A type of pebble that has three curved faces formed by wind-blown sand.
- Coordinate terms: einkanter, zweikanter
- 1949, Kenneth Page Oakley, Man the Tool-Maker:
- Stones splintered by fire, or faceted by sandstorms (ventifacts or dreikanters) are occasionally mistaken for the work of man.