VDict - Definition of PRN

English - English (Wordnet) dictionary

prn

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Adverb

according to need (physicians use PRN in writing prescriptions)
- add water as needed

Related words

Synonyms:
as needed as required pro re nata PRN

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Words pronounced/spelled similarly to "prn":
prim prima prime primo prone prn parana perm pernio peron more...

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