Definitions for

Overview of adv prn

The adv prn has 1 senses? (no senses from tagged texts)
1. as needed, as required, pro re nata, PRN

(according to need (physicians use PRN in writing prescriptions); "add water as needed") © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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