SINCE 1828
dictionary
thesaurus

orthoceracone

noun
Save Word
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

Learn More About orthoceracone

Dictionary Entries Near orthoceracone

orthocenter

orthoceracone

Orthoceras

See More Nearby Entries 

Statistics for orthoceracone

Cite this Entry

“Orthoceracone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/orthoceracone. Accessed 29 Jun. 2022.

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

WORD OF THE DAY

duress

Listen to the pronunciation of duress

See Definitions and Examples »

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.

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!

Words at Play
Ask the Editors
Word Games