porion

[pawr-ee-on, pohr-]

noun, plural po·ri·a

[pawr-ee-uh, pohr-] /ˈpɔr i ə, ˈpoʊr-/, po·ri·ons. Craniometry.

the most lateral point in the roof of the bony external auditory meatus.

Origin of porion

1905–10; < New Latin < Greek pór(os) passage, way (see pore²) + -ion diminutive suffix

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for porion

Historical Examples of porion

The most familiar type of this form of apparatus is the Porion evaporator.
The Manufacture of Paper
Robert Walter Sindall

porion in Medicine

porion

[pôr′ē-ŏn′]

n. pl. po•ri•a (pôr′ē-ə)

The central point on the upper margin of the external auditory meatus.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.