Looking for the meaning of the word GREYWACKE in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of GREYWACKE with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Greywacke
Speech Type: Noun
Etymology:
late 18th century (as grauwacke): from German Grauwacke, from grau ‘grey’ + wacke. The anglicized form dates from the early 19th century
Audio Pronunciation:
Phonetic Spelling:
ˈɡreɪwakə
Dialects: British English
Definition:
a dark coarse-grained sandstone containing more than 15 per cent clay
Short Definition:dark coarse-grained sandstone containing more than 15 per cent clay
Examples:- a 120-foot pyramid of battered greywacke a quarter mile offshore
- the shales and greywackes of the Skiddaw Group
Variant Forms:
- graywacke
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