| Abbreviations | Meaning |
 | KL | Karhunen-Loeve [transform]; Kidney Lobe; Kit Ligand; Klebs-Loeffler [bacillus]; Kleine-Levin [syndrome] |
 | GNB | Gram-negative Bacillus |
 | IEBC | International Entomopathogenic Bacillus Center |
 | BS | Bacillus Subtilis |
 | BTI | Bacillus Thuringiensis Var. Israelensis |
 | PLP | Paenibacillus Larvae Subsp. Pulvifaciens |
 | AFB | Acid-fast Bacillus; Aflatoxin B; Aflatoxin Biomarker; Air Fluidized Bed; Aortofemoral Bypass |
 | TB | Tubercle Bacillus |
 | L | Outer Membrane Layer Of Cell Wall Of Gram-negative Bacteria (layer) |
 | ECA | Enterobacterial Common Antigen |
 | ADM | Armadillo-derived Mycobacteria |
 | BG | Bacillus Globigii |
 | S-R | Smooth-rough [bacteria]; Stimulus-response |
 | NBP | Nonbacterial Prostatitis |
 | F | A Cell That Donates F Factor In Bacterial Conjugation |