| Acronym | Meaning |
| COC | Cleveland Open Cup (Flash Point Test Method) |
| QSTLS | Quantum Singwi-tosi-land-sjolander (theory |
| NDB | Nucleic Acid Database |
| MOCETGAO | Molecule-optimized Contracted Even-tempered Gaussian Atomic Orbital |
| AEP | American Electric Power (USA) |
| LWIR | Long Wavelength IR |
| REL | Recommended Exposure Limit(s) |
| TWA | Time-weighted Average Limit |
| BSC | Bundle Sheath Cellpar |
| OS | Overlapping Spheres (method) |