PRN

2 definitions found

From WordNet (r) 2.0 [wn]:

  PRN
       adv : according to need (physicians use PRN in writing
             prescriptions); "add water as needed" [syn: {as needed},
              {as required}, {pro re nata}]

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:



  PRN
       Pseudo Random Noise [code] (GPS)