| Acronym | Meaning |
| RMSEP | Root-mean-square Error Of Prediction |
| NFPA | National Fire Protection Association |
| PPQ | Parts Per Quadrillion |
| RTO | Regenerative Thermal Oxidizer |
| PRRSV | Porcine Reproductive And Respiratory Syndrome Virus |
| ASCO | American Society Of Clinical Oncology |
| LPP | Laser-produced Plasma |
| DAB | Diaminobenzidine (usually 3,3') |
| ESRD | End-stage Renal Disease |
| NADW | North Atlantic Deep Water |