There are multiple definitions:

1. physical therapy/therapist (English)

   • Physical therapy, Disability
   • https://doi.org/10.7326/M20-4187

2. prothrombin time (English)

   • PTT, INR, ISI, MNPT, PT
   • Hematology

3. primary therapist (English)

4. proficiency testing (English)

5. phototransistor (English)

6. passive tension (English)

   • Biophysics

7. proton therapy (English)

   • Therapeutic approaches

8. planum temporale (Latin)

   • AP, RP