| Acronym | Meaning |
| LITGS | Laser Induced Thermal Grating Spectroscopy |
| OSTE | One-step Temper Embrittlement |
| D.I. | Direct Injection [of Diesel Engines] |
| BCCP | Biotin Carboxyl-carrier Protein |
| TCS | Target Current Spectroscopy |
| RVS-SCF | Reduced Variational Space-self-consistent Field (in Quantum Calcns. On Hydrogen Bonding) |
| FID | Flame Ionization Detector (gas Chromatography) |
| ADA | American Diabetes Association |
| LRM | Laboratory Reference Material |
| CO | Crystal Orbital |