The abbreviation stands for TBT:

  • Terrestrial Barycentric Time, see Dynamic Time
  • Tributyltin (English tributyltin ), a toxic organic tin compound
  • Agreement on Technical Barriers to Trade ( TBT engl. abbr. ), an agreement of the World Trade Organization
  • Tabatinga Airport ( IATA code )
  • Tampa Bay Times, a daily newspaper in the greater Tampa
  • Total bottom time, see bottom time ( diving)
  • Disambiguation
  • Abbreviation