Word.ws English Dictionary

black sulfur

black sulfur noun: a grey, impure variety of sulfur, usually the dregs of sulfur purification.

Noun

black sulfur (uncountable)

  1. A grey, impure variety of sulfur, usually the dregs of sulfur purification.
    Synonyms:
    black sulphur, grey brimstone, horse brimstone, caballine sulphur, sulphur of ivy

Synonyms of black sulfur

  • black sulphur
  • grey brimstone
  • horse brimstone
  • caballine sulphur
  • sulphur of ivy

Questions about black sulfur

What does black sulfur mean?
Black sulfur means a grey, impure variety of sulfur, usually the dregs of sulfur purification.
What part of speech is black sulfur?
Black sulfur is a noun.

Words near black sulfur in the dictionary

  1. black studies
  2. black stuff
  3. black stump
  4. black sugar maple
  5. black sugar maples
  6. black sulfur
  7. black supremacist
  8. black supremacists
  9. black supremacy
  10. black swallow-wort
  11. black swallow-worts

Source and license

Adapted from Wiktionary: black sulfur (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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