| Acronym | Meaning |
| SWANA | Solid Waste Association Of North America |
| EKT | Extended Koopmans Theorem |
| TEEL | Temporary Emergency Exposure Limit |
| CHELEQ | Charge Electronegativity Equalization |
| SAW | Self-avoiding Walk [modeling] |
| ICM | Inner Cell Mass |
| SOP/ED | Split-operator Propagator (for) Electronically Diabatic (phenomena) |
| AIDS | Acquired Immune Deficiency Syndrome |
| FRCA | Fire Retardant Chemicals Association |
| RTP | Research Triangle Park |