Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

orthoceracone

noun
or·​tho·​cer·​a·​cone | \ ˌȯ(r)thəˈserəˌkōn\

Definition of orthoceracone

: a straight nautiloid shell resembling that of Orthoceras

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 orthoceracone

New Latin Orthoceras + English cone

Keep scrolling for more

Learn More about orthoceracone

Statistics for orthoceracone

Look-up Popularity

Comments on orthoceracone

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

Show Comments  Hide Comments 

WORD OF THE DAY

writhe

Listen to the pronounciation of writhe

to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

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

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!

Words at Play
Ask the Editors
Word Games