inion

[in-ee-uh n]

noun Craniometry.

a point at the external occipital protuberance of the skull.

Origin of inion

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for inion

inion

noun

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

Word Origin for inion

C19: from Greek: back of the head

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

inion in Medicine

inion

[ĭn′ē-ən]

n.

The most prominent projecting point of the occipital bone at the base of the skull.