tetartoconid

noun

te·​tar·​to·​co·​nid

tə̇ˌtärtəˈkōnə̇d

variants or less commonly tetarconid

ˌtetə(r)ˈkōnə̇d

: the posterior medial cusp of a lower molar tooth

Word History

Etymology

tetartocone, tetarcone + -id

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!