Other
- Personal rapid transit, a type of transit system
- Pivotal response therapy, a type of therapy for Autism
- Platinum resistance thermometer
- Portugal, the three letter ISO 3166-1 code for Portugal
- Power Recovery Turbine, an exhaust turbine attached to the crankshaft of a piston engine, designed to improve its thermal efficiency
- Prerequisite Tree, a thinking process in the Theory of Constraints
- Preterite, grammatical term
- Puerto Rico Telephone, the main telephone company of the Island of Puerto Rico
- Precomputed Radiance Transfer, a technique for computer graphics
- Pacific Recognition Time- A time used in Pacific Swimming "PRTs are a motivation time standard set by Pacific."
Read more about this topic: PRT