| Acronym | Meaning |
| RARE | Rapid Acquisition Relaxation-enhanced |
| REA | Relaxed Eddy Accumulation |
| BNN | Back-propagation Neural Network |
| CLL | Chronic Lymphocytic Leukemia |
| SOCO | Second-order Correlation Orbital |
| TCDE | Two-center Dirac Equation |
| IEQ | Indoor Environmental Quality |
| ACF | Activated Coke Fines |
| EAA | Excitatory Amino Acid |
| AAA | Abdominal Aortic Aneurysm |