| Acronym | Meaning |
| SAMPEX | Solar Anomalous And Magnetospheric Particle Explorer (spacecraft) |
| SPICE | Simulation Program With Integral Circuit Emphasis |
| MP2 | Moeller-Plesset Second-order Perturbation Theory |
| NARSTO | North American Research Strategy For Tropospheric Ozone |
| QCISDT | Quadratic CI (with) Single (and) Double (and) Triple (excitations) |
| CDRH | Center For Devices And Radiological Health |
| PCBN | Polycrystalline Cubic Boron Nitride |
| G-CSF | Granulocyte Colony-stimulating Factor |
| IHC | Interim Hazard Classification |
| AQCCT | Air Quality Criteria And Control Techniques |