PBT

PBT may refer to:

==Science, technology and medicine== Paul–Bunnell test, an heterophile antibody test Pentabromotoluene, an aromatic chemical compound Persistent, bioaccumulative and toxic substances, a class of compounds that have high resistance to degradation Polybutylene terephthalate, plastic used as an electrical insulator Proton beam therapy, a cancer treatment Provider Backbone Transport, IEEE 802.1 networking technology Preliminary breath test, with a hand-held breathalyzer Property-based testing, a software testing framework; for example see QuickCheck