| Acronym | Meaning |
| PT2F | Second-order Perturbation Theory (with) Fock (matrix) |
| APS | Active Pixel Sensor |
| PDSA | Peroxydisulfuric Acid |
| SPPS | Solid Phase Peptide Synthesis |
| VNTR | Variable No. Of Tandem Repeat |
| LTMLS | Low Temperature Molecular Luminescence Spectroscopy |
| SRCCSDT | Single-reference Coupled-cluster (with) Single (and) Double (and) Triple (excitations) |
| RICE | UK Regular Interlaboratory Counting Exchange (for Asbestos Analysis) |
| TMA | Transcription-mediated Amplification |
| NRM | Nuclear Reference Material |