| Acronym | Meaning |
| EAP | Environmental Action Plan |
| NHRL | Northern Hemisphere Reference Line |
| RRPA | Relativistic Random Phase Approximation |
| PCDW | Projectile Continuum Distorted Wave (in Atom Collision Calcns.) |
| DMTA | Dynamic Mechanical Thermal Analysis |
| G6PD | Glucose-6-phosphate Dehydrogenase |
| HDM | House Dust Mite |
| MCLT | Minority Carrier Lifetime |
| ADA | Adipic Acid |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |