Orbitoides

noun Or·bi·toi·des

Definition of Orbitoides

  1. :  a genus of Upper Cretaceous to Miocene foraminiferans similar to Nummulites but characterized by radially arranged chambers and several layers of small chambers superimposed on both surfaces of the layer of large chambers

There's more!

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!
Already a subscriber? Log in.

Origin and Etymology of orbitoides

New Latin, from Latin orbita orbit + -oides -oid — more at orb


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

a lively discussion

Get Word of the Day daily email!

Love words? Need even more definitions?

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