Prosopium

noun
Pro·​so·​pi·​um | \ prəˈsōpēəm \

Definition of Prosopium

: a genus of whitefishes including the Menominee whitefish, Rocky Mountain whitefish, and related forms

History and Etymology for Prosopium

New Latin, from Greek prosōpeion mask

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!

Learn More About Prosopium

Dictionary Entries Near Prosopium

prosopite

Prosopium

prosopography

See More Nearby Entries 

Statistics for Prosopium

Cite this Entry

“Prosopium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Prosopium. Accessed 28 Sep. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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