TB or Tb can stand for: Music Tenor and bass, a score for male chorus The Beatles, a British band The Beatles (album), the tenth album by the above band, also known as the White Album The Block, an album by boy band New Kids on the Block The Bends, an album by british rock band Radiohead. Science and medicine Terbium (chemical symbol Tb), a chemical element Tuberculosis, a chronic infectious disease Technology .tb — Tab file (Virtual Desktop Tab) Terabit (Tb), a unit of information… (More on Tb)