benjaminite

noun

ben·​ja·​min·​ite

ˈben-jə-mə-ˌnīt

plural -s

: a mineral Pb (Cu, Ag) Bi₂S₄ consisting of sulfobismuthite of lead, silver, and copper occurring in gray masses

Word History

Etymology

Marcus Benjamin †1932 American museum official + English -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!