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“p o”
per os; P.O.; p.o. (adverb) (not comparable)
Referring to how something goes through the mouth: The pharmaceutical instruction stated that the medicine was to be administered per os, of by swallowing it.
This entry is located in the following units:
Latin Proverbs, Mottoes, Phrases, and Words: Group P
(page 4)
ora-, or-, orat-; os- +
(page 4)
per-
(page 2)