Biology and medicine • pt,
patient, a medical abbreviation •
Physical therapy/Physiotherapy or Physical therapist/Physiotherapist • Pararosaniline,
Toluidine histological stain •
Percutaneous surgery •
Pertussis toxin, a protein-based exotoxin which causes whooping cough •
Petunidin, an anthocyanidin plant pigment •
Prothrombin time, a measurement of blood coagulation •
Pump thrombosis, a major device malfunction due to a suspected or confirmed development of a pump thrombus
Computing •
.pt, an Internet top-level domain name for
Portugal •
Plain text, data consisting in unformatted characters •
Panorama Tools, a suite of programs and libraries originally by Helmut Dersch •
Pluggable Transport, an API in
the Tor Project •
Penetration testing, checking to see how secure a computer system is
Physics and chemistry •
Platinum, symbol Pt, a chemical element •
Polythiophene, a molecule •
Total pressure (P), in fluid dynamics
Transportation • A US Navy hull classification symbol:
Patrol torpedo boat (PT) •
Public transport, or public transit •
Chrysler PT Cruiser, a car model •
PT-91, a military tank
Units of measurement •
Percentage point (pt), a unit for the arithmetic difference of two percentages •
pt, a measurement in the print industry for thickness of
card stock •
Pint (Pt.), a unit of volume or capacity •
Point (typography) (Pt.), a unit of measure used in typography
Other uses in science, technology, and mathematics •
Permian-Triassic extinction event, a mass extinction between the Paleozoic and Mesozoic eras •
Peat, in the Unified Soil Classification System •
Post-tensioned concrete, a reinforcement method in structural engineering •
Potential transformer, an electrical component for changing voltage •
Pressure treated wood == Sport ==