wacke

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Etymology

From , from or wacko, yielding German Wacke, probably cognate with Old High German wegan.

Noun

wacke

1. (geology) A soft, earthy, dark-coloured rock or clay derived from the alteration of basalt.

Synonyms

• wacky

Related terms

• graywacke, greywacke
• wackenitic

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