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Word of the Day Wednesday, June 10, 2026

siltstone

/sɪltstoʊn/ noun · British & US
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What does siltstone mean?

noun

A type of sedimentary rock that is composed of silt-sized particles, often formed from the compaction of silt deposits. It is typically fine-grained and has a smooth texture.

Example

"The geologist studied the siltstone formations in the ancient riverbed."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for siltstone

Antonyms of siltstone

Rhymes with siltstone

Etymologically related