Word.ws English Dictionary

marcasites

marcasites is the plural of marcasite.

Meaning of marcasite

Noun

marcasite (countable and uncountable, plural marcasites)

  1. The orthorhombic form of iron disulfide, FeS₂, occurring as yellow crystals.
  2. Pyrite.
  3. (historical) Any of various metal sulfides, usually iron sulfide minerals.
    • If he wants to speak as a physician, however, he must say, this marcasite is the man's disease, hence it will cure him.1999, Paracelsus, “Opus Paramirum”, in Nicholas Goodrick-Clarke, transl., Essential Readings, North Atlantic Books, page 95

Questions about marcasites

What is marcasites the plural of?
Marcasites is the plural of marcasite.

Words near marcasites in the dictionary

  1. marcantant
  2. Marcantel
  3. Marcantels
  4. Marcapomacocha
  5. marcasite
  6. marcasites
  7. marcasitic
  8. marcasitical
  9. marcassin
  10. marcassins
  11. marcation

Source and license

Adapted from Wiktionary: marcasites (page history and authors); marcasite (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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