plural -s
: a mineral (Zn,Mn,Fe)Mn2O5.nH2O consisting of black hydrous manganese and zinc oxide and having a metallic luster

Word History


chalc- + phan- (from Greek phainein to show) + -ite; from its change to a copper color when heated

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.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near chalcophanite

Cite this Entry

“Chalcophanite.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!