| Abbreviations | Meaning |
 | IWGMT | International Working Group On Mycobacterial Taxonomy |
 | H | Bacterial Antigen In Serologic Classification Of Bacteria [Ger. Hauch, Breath] |
 | ICNB | International Committee On Nomenclature Of Bacteria |
 | AGNB | Aerobic Gram-negative Bacillus |
 | BAC | Bacterial Adherent Colony |
 | IEBC | International Entomopathogenic Bacillus Center |
 | MRB | Multiply Resistant Bacteria |
 | DNTM | Disseminated Nontuberculous Mycobacterial [infection] |
 | DMD | Disseminated Mycobacterial Disease |
 | BI | Bacterial Or Bactericidal Index |
 | BAC, BAC | Bacillus |
 | ACB | Antibody-coated Bacteria; Aortocoronary Bypass; Arterialized Capillary Blood; Asymptomatic Carotid Bruit |
 | CWDF | Cell Wall-deficient Form [bacteria] |
 | TB | Tbilisi [phage]; Terabit [trillion Bits]; Terbium; Tubercle Bacillus; Tuberculosis |
 | EBA | Early Bacterial Activity; Epidermolysis Bullosa Acquisita; Epidermolysis Bullosa Atrophicans; Extrahepatic Biliary Atresia; Orthoethoxybenzoic Acid |