Meanings
nounsiltstone (countable and uncountable, plural siltstones)
plural siltstones
- countableuncountableA sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone.
Synonyms & antonyms
Also see
Origin
- Englishsilt
- Proto-Indo-European*steh₂-
- Proto-Indo-European*steyh₂-
- Proto-Indo-European*stóyh₂nos
- Proto-Germanic*stainaz
- Proto-West Germanic*stain
- Old Englishstān
- Middle Englishston
- Englishstone
- Englishsiltstone
Translations
Dutch siltsteen
- siltsteentype of rock
Finnish silttikivi
- silttikivitype of rock
Hungarian iszapkő
- iszapkőtype of rock
Italian siltite
- siltitetype of rock
Norwegian Bokmål siltstein
- siltsteintype of rock
Cite this entry
APA
siltstone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/siltstone
MLA
“siltstone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/siltstone. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “siltstone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/siltstone.
Source: siltstone on Wiktionary, CC BY-SA 4.0.