| Acronym | Meaning |
| SQF | Second-quantized Formulation (in Many-body Quantum Theory) |
| BSI | British Standards Institute |
| OIP | Optimized Inner Projection (method For Mol. Property Calcns.) |
| NPTOC | Nonpurgeable Total Organic Carbon |
| BAEP | Brainstem Auditory Evoked Potentials |
| PHF-OCE | Perturbative Hartree-Fock One-center Expansion |
| TGGE | Temperature Gradient Gel Electrophoresis |
| EXES | Electron-induced X-ray Emission Spectrometry |
| EPROM | Erasable Programmable Read Only Memory |
| THCP | Total Hazard Control Plan |