| Acronym | Meaning |
| BLMO | Boys Localized Molecular Orbital |
| NRPS | Nonribosomal Peptide Synthetase |
| EXPRES | Expert System For Pesticide Regulatory Evaluations And Simulations |
| HCPA | Homomorphic Cluster Coherent Potential Approximation |
| TETS | Totally Enclosed Treatment Systems |
| CCSD(T) | Coupled-cluster (with) Single (and) Double (and Perturbative) Triple (excitations) |
| CHARM | Complex Hazardous Air Release Model |
| WINS | Well Impactor Ninety-Six |
| HHG | High-order Harmonic Generation |
| EFCE | European Federation Of Chemical Engineers |