| Abbreviation | Definition |
|---|---|
| TB | terminal bronchiole |
| TB | theobromine |
| TB | thiabendazole |
| TB | toluidine blue |
| TB | total bilirubin |
| TB | total biomass |
| TB | total buffer |
| TB | trabecular bone |
| TB | tracheobronchial |
| TB | trypan blue |
| TB | Tuberculosisor Training Board |
| TB | tumour bank |
| TB | tumour-bearing |
| TBA | tert butyl alcohol |
| TBA | testosterone-binding activity |
| TBA | to be admitted |
| TBA | To Be Announced or Arranged |
| TBA | total bile acids |
| TBA | trabecular bone area |
| TBA | tracheobronchial amyloidosis |