| Acronym | Meaning |
| PHA | Process Hazard Analysis |
| GCOS | Global Climate Observing System (WMO |
| CLC | Clean Lakes Clearinghouse |
| NDR | Neg. Differential Resistance |
| CROW | Contained Recovery Of Oily Wastes |
| GWRTAC | Groundwater Remediation Technologies Analysis Center |
| LDC | Less Developed Countries |
| ITC | International Translation Center |
| FOISD | Fiber Optic Isolated Spherical Dipole Antenna |
| DEA | Dissociative Electron Attachment |