| Acronym | Meaning |
| NDSL | Non-Domestic Substances List |
| IGOR | Interactive Generation Of Organic Reactions |
| NEOPS | North East Oxidant And Particle Study |
| BCF | Beneficiated Coal Fuel |
| MECS | Manufacturing Energy Consumption Survey (DOE) |
| MRE | Metal Responsive Element |
| CTTS | Charge Transfer To Solvent |
| CTE | Constitutive Transport Element |
| MTOF | Mass Time-Of-Flight |
| SQF | Second-quantized Formulation (in Many-body Quantum Theory) |