polybasite

noun

poly·​ba·​site

ˌpälēˈbāˌsīt,

-lə̇ˈb-

plural -s

: an iron-black metallic-looking ore (Ag,Cu)₁₆Sb₂S₁₁ of silver consisting essentially of silver, copper, sulfur, and antimony

Word History

Etymology

German polybasit, from poly- + basi- + -it -ite

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!