English Lexicon

Mudstone

/ˈmʌd.stoʊn/
nounCEFR B2 (Upper)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A fine-grained sedimentary rock that is composed primarily of clay and silt-sized particles.

    "The construction team discovered a layer of mudstone while digging the foundation."
  2. 2

    A type of rock that can be used as a building material or for making bricks.

    "Mudstone is often used in the production of bricks due to its plasticity when wet."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'mudstone' is derived from the combination of 'mud', which comes from Old English 'mudd', meaning soft earth or clay, and 'stone', from Old English 'stan', meaning rock. The term has evolved in geological contexts to refer specifically to a type of sedimentary rock formed from compacted mud.

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