Scientific & Educational Abbreviations and Acronyms

1. PTR
   Problem Trouble Report
2. PTR
   Program Technical Review
3. PTR
   Proton Transfer Reaction
4. PTR
   Pupil/Teacher Ration
5. PTRSL
   Philosophical transactions of the Royal Society of London. Series A Mathematical, Physical and Engineering Sciences
6. PTS
   Power Turbine Speed
7. PTS
   Para-Toluenesulfonic Acid
8. PTS
   Provisional Technical Secretariat
9. PTSA
   P-Toluenesulfonic Acid
10. PTSD
    Posttraumatic Stress Disorder
11. PTT
    Partial Thromboplastin Time
12. PTTP
    Point-To-Point Tunneling Protocol
13. PTV
    Pathfinder Test Vehicle
14. PTWA
    Part Time Work Agreement (Australia)
15. PTWC
    Pacific Tsunami Warning Center
16. PTX
    Pentoxifylline
17. PTZ
    Pentylenetetrazole
18. PU
    Plutonium
19. PU
    Polyurethane
20. PU
    Punjab University

Last updated: May 24, 2020 — Total entries: 44,184