inion

[ in-ee-uhn ]

noun

, Craniometry.

1. a point at the external occipital protuberance of the skull.

inion

/ ˈɪnɪən /

noun

1. anatomy the most prominent point at the back of the head, used as a point of measurement in craniometry

Word History and Origins

Origin of inion¹

1805–15; < New Latin < Greek īníon nape of the neck, equivalent to īn- (stem of ī́s ) fiber, sinew + -ion diminutive suffix

Word History and Origins

Origin of inion¹

C19: from Greek: back of the head