| Acronym | Meaning |
| APOMA | American Precision Optics Manufacturers Association |
| AGRP | Agouti-related Protein |
| LVDT | Linear Variable Differential Transformer |
| HDD | Hard Disk Drive |
| ICP | Interactive Correlation Partitioning |
| MQED | Molecular Quantum Electrodynamics (calcn. Method) |
| PICI | Positive-ion Chemical Ionization |
| BOM | Biodegradable Organic Matter |
| WMO | World Meteorological Organization |
| SSER | Spinless Salpeter Equation (with) Retardation |