tetartocone

noun
te·​tar·​to·​cone | \tə̇ˈtärtəˌkōn\
variants: or less commonly tetarcone \ˈtetə(r)ˌkōn \

Definition of tetartocone 

: the posterior medial cusp of an upper molar tooth

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History and Etymology for tetartocone

tetartocone from tetart- + cone; tetarcone contraction of tetartocone

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