[ wak-uh ]
/ ˈwæk ə /
a poorly sorted sandstone containing fragments of rock and minerals in a clayey matrix.
Origin of wacke
1795–1805; < German: a kind of stone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for wacke
The material of the rock here is wacke, in which there are many flints.Travels Through North America, v. 1-2|Berhard Saxe-Weimar Eisenach
Wackelfiguren means figures made of Wacke, a greenish-gray mineral, soft and easily broken.
Wacke, wak′e, n. German miners' term for a soft, grayish kind of trap-rock.
British Dictionary definitions for wacke
/ (ˈwækə) /
obsolete any of various soft earthy rocks that resemble or are derived from basaltic rocks
Word Origin for wacke
C18: from German: rock, gravel, basalt
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012