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porion

American  
[pawr-ee-on, pohr-] / ˈpɔr iˌɒn, ˈpoʊr- /

noun

Craniometry.

plural

poria, porions
  1. the most lateral point in the roof of the bony external auditory meatus.


Etymology

Origin of porion

1905–10; < New Latin < Greek pór ( os ) passage, way ( see pore 2) + -ion diminutive suffix