greywacke (0 synonym found)

We don't have synonyms for greywacke yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are graywacke, greyback and greyware.


We don't have any synonyms for greywacke yet.

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Definition of greywacke:

(n) : (geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.

Definition of greywacke:

(n) : (geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.

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