Definition of Greywacke

1. Noun. (geology) A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix. ¹



¹ Source: wiktionary.com

Lexicographical Neighbors of Greywacke

greylags
greyline
greylist
greylisted
greylisting
greylists
greyly
greyness
greynesses
greys
greyscale
greyscaled
greyscales
greyscaling
greystone
greywacke (current term)
greywackes
greywater
greywaters
gri-gri
gribble
gribbles
gribenes
grice
griced
griceite
gricer
gricers
grices
gricing

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