Abbreviations beginning with p

PDNCPuckapunyal District Neighbourhood Centre
Miscellaneous » Unclassified

PDNCOProfessional Development Non-Commissioned Officer
Governmental » Military

PDNEPacket Data Network Equipment (broadband communications)
Academic & Science

PDNEPersonal Digital Network Environment (telecommunications)
Academic & Science

PDNEPatient Doctor New Era
Medical » Hospitals

PDNEPinus Densiflora Needle Extract
Miscellaneous » Unclassified

PDNEPlease Do Not Erase
Miscellaneous

PDNFPrenex Disjunctive Normal Form
Academic & Science

PDNFPlease Do Not Fight (band)
Miscellaneous

PDNFPlease Do Not Forward
Miscellaneous

PDNFTTPlease do Not Feed the Trolls (Usenet posts to request troublemakers should be ignored)
Miscellaneous

PDNGPower Divx Next Generation
Computing » IT

PDNGOCPuttalam District Non-Governmental Organization Consortium (Sri Lanka)
Miscellaneous

PDNGWPublic Data Network Gateway
Computing » IT

PDnHPerth-Darwin National Highway (Australia)
Governmental

PDNHAPersonal Domain Name Holders Association (internet governance group)
Community

PDNIPlease Do Not Interrupt
Miscellaneous