noun thi·an·threne \thīˈanˌthrēn\

Definition of thianthrene



  1. :  a crystalline heterocyclic parent compound C12H8S2 that is regarded as anthracene in which the two middle methylidyne groups are replaced by sulfur atoms and that is made by the action of sulfur chloride on benzene in the presence of aluminum chloride and in other ways

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of thianthrene

International Scientific Vocabulary thi- + -anthrene

Seen and Heard

What made you want to look up thianthrene? Please tell us where you read or heard it (including the quote, if possible).


a rounded knoll or a ridge of ice

Get Word of the Day daily email!