| Acronym | Meaning |
| MCDF-EAL | Multiconfiguration Dirac-Fock-extended Average Level (for Energy Levels And Wave Functions Calcn. For Atoms) |
| NESCAUM | North East States Coalition For Air Use Management |
| EMS | Ethyl Methanesulfonate |
| CD ROM | Compact Disk Read Only Memory |
| CBLM | Cluster-bethe-lattice Method (for Electronic-structure Calcns. On Crystals) |
| CHIEF | Clearinghouse For Inventories And Emission Factors |
| GLE | Generalized Langevin Equation |
| LSDC | Local Spin Density Correlation (functional) |
| SFORD | Single Frequency Off Resonance Decoupling |
| CEIP | Coastal Energy Impact Program |