[puh-rawr-uh l, -rohr-]

Origin of peroral

First recorded in 1905–10; per- + oral
Related formsper·o·ral·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

per-oral in Medicine


  1. Performed or administered through or by way of the mouth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.