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

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