Dictionary

inion

noun in·i·on \ˈi-nē-ˌän, -ən\

Definition of INION

:  the external occipital protuberance of the skull

Origin of INION

New Latin, from Greek, back of the head, diminutive of in-, is sinew, tendon
First Known Use: circa 1811

inion

noun in·i·on \ˈin-ē-ˌän, -ən\   (Medical Dictionary)

Medical Definition of INION

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