HBT From Wikipedia the free encyclopedia HBT may refer to: HBT (explosive) Haifa Beirut Tripoli Railway Hanbury Brown and Twiss effect Herringbone Twill cloth military uniforms Heterojunction bipolar transistor Hole-board test Hydrogen breath test Topics referred to by the same term This disambiguation page lists articles associated with the title HBT.If an internal link led you here, you may wish to change the link to point directly to the intended article.