| Acronym | Meaning |
| EM | Enriched Mantle |
| DAIRS | Differential Absorption Infrared Sensor |
| LOGD | Limit Of Guaranteed Detection |
| LTR | Long Terminal Repeat |
| AMI | Acute Myocardial Infarction |
| NFRAP | No Further Remedial Action Planned |
| LAKE | Clean Lakes Database (accessible Through OLS) |
| BWEN | Brillouin-Wigner (second-order Perturbation Theory With) Epstein-Nesbet (energy Denominators) |
| IUE | International Ultraviolet Explorer |
| AODP | Advanced Ocean Drilling Program |