QPT Views 7 meanings found QPT is a common abbreviation in physics for quantum phase transitions and quantum process tomography, while in engineering it denotes a quad‑port transceiver and in hobbyist circles a quick pan‑and‑tilt device. Community Quick Pan & Tilt Governmental Quad Port Transceiver Quonset Point Academic & Science Quantum Process Tomography Quasi Punch Through Quantum Phase Transition Business Quality Process Technician