Definition of argillite in English:

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Pronunciation: /ˈɑːdʒɪlʌɪt/


[mass noun] Geology
A sedimentary rock that does not split easily, formed from consolidated clay.
Example sentences
  • The Nelson mineral belt was rich in argillite, a dark stone which made fine tools.
  • Bear images were carved into blocks of argillite, claystone, and wood or sculpted from clay, with the creative three-dimensional transformations displaying a remarkably naturalistic style.
  • Low water levels reveal carved layers of green and red argillite.


Late 18th century: from Latin argilla 'clay' + -ite1.

For editors and proofreaders

Line breaks: ar¦gil|lite

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