| Acronym | Meaning |
| CCR | Conradson Carbon Residue |
| BIFL | Burst Integrated Fluorescence Lifetime |
| NVLAP | National Voluntary Laboratory Accreditation Program |
| HDT | Heat Deflection Temperature |
| ERW | Electrical Resistance Welding |
| SARM | Synthetic Analytical Reference Matrix (US EPA) |
| CIOS | Complex Infinite Order Sudden (approxn. In Quantum Calcns.) |
| SQF | Second-quantized Formulation (in Many-body Quantum Theory) |
| CHES | 3-(cyclohexylamino)ethylsulfonic Acid |
| PNO-CE | Pseudonatural Orbital-configuration Expansion |