psilomelane

noun psi·lo·mel·ane \ ˌsīlōˈmeˌlān \

Definition of psilomelane

plural -s
:a basic oxide of barium and bivalent and quadrivalent manganese probably BaMnMn8O16(OH)4 — compare hollandite, coronadite

There's more!

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!
Already a subscriber? Log in.

Origin and Etymology of psilomelane

psil- + -melane


Seen and Heard

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

Love words? Need even more definitions?

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

Love words? Need even more definitions?

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