T2Pronunciation: /tiː/Translate T | into French | into German | into Italian | into Spanish Definition of T abbreviation [in combination] (in units of measurement) tera- (1012):12 Tbytes of data storage tesla. Thailand (international vehicle registration). (in names of sports clubs) Town:Mansfield T symbol temperature. Chemistry the hydrogen isotope tritium. T in other Oxford dictionaries Definition of T in the US English dictionary