mudstone

Fetched 2026-10-26 (cache).

Synonyms: madstone, rudstone, sunstone, burstone, gunstone, cupstone, midtone, mistone, maidstone, rubstone, mosstone

Antonyms: madstone, rudstone, sunstone, burstone, gunstone, cupstone, midtone, mistone, maidstone, rubstone, mosstone

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|petrology}} A [[fine-grained]] [[sedimentary]] [[rock]] whose original constituents were [[clay]]s or [[mud]]s. {{defdate|from 18th c.}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.