plural eozoons
or eozoa
: a banded arrangement of various ophicalcites associated with the Grenville series of Canada and formerly regarded as the remains of an animal (Eozoon canadense) related to the existing Foraminifera

Word History


New Latin, from eo- + -zoon

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!

Dictionary Entries Near eozoon

Cite this Entry

“Eozoon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eozoon. Accessed 20 Jun. 2024.

Love words? Need even more definitions?

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