PRN

from WordNet (r) 3.0 (2006)
PRN
    adv 1: according to need (physicians use PRN in writing
           prescriptions); "add water as needed" [syn: {as needed},
           {as required}, {pro re nata}, {PRN}]
from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)
PRN
       Pseudo Random Noise [code] (GPS)
antiflux / dictionary / PRN
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