tetartocone

noun

te·​tar·​to·​cone

tə̇ˈtärtəˌkōn

variants or less commonly tetarcone

ˈtetə(r)ˌkōn

: the posterior medial cusp of an upper molar tooth

Word History

Etymology

tetartocone from tetart- + cone; tetarcone contraction of tetartocone

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