Word: graywackes
Part of speech: Noun
Syllables: gray
wa
ckes
Definition: Plural of graywacke; alternative form of "greywacke". Language: en
Morphemes:
Affix: graywacke
Language: en
PoS: Noun
Meaning: Alternative form of greywacke. A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).