- PTR
- PoinTeR (Computing » General)*** Printer (Computing » General)* Paid To Read (Business » Positions)* Pupil Teacher Ratio (Community » Educational)* Proton Transfer Reaction (Academic & Science » Physics)* Pre-Trial Release (Community » Law)* Progress Through the Ranks (Governmental » Military)* Problem Trouble Report (Governmental » Military)* Qwk reader pointer file (QMail) (Computing » File Extensions)* Preliminary Technical Review (Computing » Software)* Patellar Tendon Reflex (Medical » Physiology)* Port Terminal Railroad of South Carolina (Regional » Railroads)* Peptidyl Transferase Ring (Medical » Human Genome)* Parabolic Trough Receiver (Academic & Science » Electronics)* Cursor image file (OS/2 PTR file) (Computing » File Extensions)* Protoss Terran Republic (Miscellaneous » Science Fiction)
Abbreviations dictionary. 2012.