p.r.n.
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abbreviation
(in prescriptions) as the occasion arises; as needed.
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Origin of p.r.n.
From Latin prō rē nāta
Words nearby p.r.n.
prizewinner, prizeworthy, PRK, PRL, PRM, p.r.n., pro, proa, proabortion, proaccelerin, proacrosomal granule
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
British Dictionary definitions for p.r.n.
prn
abbreviation for (in prescriptions)
pro re nata
Word Origin for prn
Latin: as the situation demands; whenever needed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for p.r.n.
p.r.n.
abbr.
pro re nata (as the situation demands)
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.