Word.ws English Dictionary

black shales

black shales is the plural of black shale.

Meaning of black shale

Noun

black shale (countable and uncountable, plural black shales)

  1. A dark, muddy rock, rich in sulfides and organic material.

Questions about black shales

What is black shales the plural of?
Black shales is the plural of black shale.

Words near black shales in the dictionary

  1. black seaperch
  2. black seed squash
  3. black sesame soup
  4. black sesame soups
  5. black shale
  6. black shales
  7. black sheep
  8. black shoe
  9. black shoes
  10. black sigatoka
  11. black silver

Source and license

Adapted from Wiktionary: black shales (page history and authors); black shale (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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