| Acronym | Meaning |
| PAECE | Protective Action Evaluator For Chemical Emergencies |
| TOF | Turnover Frequency |
| LED | Light-emitting Diode |
| AIN | American Institute Of Nutrition |
| ECEPP | Empirical Conformational Energy Program For Peptides |
| FMO | Frontier Molecular Orbital |
| DFPT | Density-functional Perturbation Theory |
| APD | Avalanche Photodiode |
| ERCP | Endoscopic Retrograde Cholangiopancreatography |
| INCI | International Nomenclature Cosmetic Ingredient |