tie·​mann·​ite | \ ˈtēməˌnīt \
plural -s

Definition of tiemannite

: a mineral HgSe that is a native mercuric selenide and occurs commonly in dark gray or nearly black masses of metallic luster (specific gravity 8.2–8.5)

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!

History and Etymology for tiemannite

German tiemannit, from W. Tiemann, 19th century German scientist who discovered it + German -it -ite

Keep scrolling for more

Learn More about tiemannite

Statistics for tiemannite

Cite this Entry

“Tiemannite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tiemannite. Accessed 20 Sep. 2020.

Comments on tiemannite

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


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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