| Acronym | Meaning |
| ADA | N-(2-acetamido) Iminodiacetic Acid |
| MHC | Major Histocompatibility Complex |
| RFD | Reference Dose |
| KLH | Keyhole Limpet Hemocyanin |
| OPAL | Omni-Purpose Apparatus At LEP |
| QRHF-CC | Quasirestricted Hartree-Fock Coupled Cluster |
| EDM | Electrical Discharge Machining |
| MIPMS | Microwave Induced Plasma Mass Spectrometry |
| TESS | Triboelectrostatic Separation |
| NAWDEX | National Water Data Exchange |