| Acronym | Meaning |
| PPR | Projection Pursuit Regression |
| RTP | Reinforced Thermoplastic |
| QDO | Quantum-defect Orbital (theory) |
| SNRNP | Small Nuclear Ribonucleoprotein |
| BCS | Bragg Crystal Spectrometer |
| FRET | Fluorescence Resonance Energy Transfer |
| RQ | Respiratory Quotient |
| HPCPC | High Performance Centrifugal Partition Chromatography |
| ACAID | Anterior Chamber Associated Immune Deviation |
| PNO-CI | Pseudonatural Orbital-configuration Interaction |