Graywacke Definition
grāwăk, -wăkə
noun
A nonporous, dark-colored sandstone containing angular particles of other rocks.
Webster's New World
A fine-grained conglomerate resembling sandstone.
Webster's New World
Alternative form of greywacke.
Wiktionary
Other Word Forms of Graywacke
Noun
Singular:
graywacke
Plural:
graywackesOrigin of Graywacke
-
Partial translation of German Grauwacke grau gray Wacke rock (from Middle High German) (from Old High German waggo boulder wegh- in Indo-European roots)
From American Heritage Dictionary of the English Language, 5th Edition
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