| Acronym | Meaning |
| MLD | Median Lethal Dose |
| BIBRA | British Industrial Biological Research Association |
| PIPS | Passivated Implanted Planar Silicon |
| VMT | Vehicle Miles Traveled |
| HQM | Hemiquantal Mechanics (in Mol. Calcns.) |
| EMMA | End-member Mixing Analysis |
| MOM | Modified Operator Method (for Energy-level Calcns.) |
| SARS | Scattering And Recoiling Spectrometry |
| RPAE | Random Phase Approximation With Exchange |
| ALU | Arithmetic Logic Unit |