| Acronym | Meaning |
| ATTIC | Alternative Treatment Technology Information Center (US EPA) |
| NDB | Nucleic Acid Database |
| BRAHMS | Broad RAnge Hadron Magnetic Spectrometers |
| IRMDR | Infrared Microwave Double Resonance |
| COSHI | Clearinghouse For Occupational Safety And Health Information |
| FDS | Field Desorption Spectrometry |
| INTEGRAL | International Gamma-Ray Astrophysics Laboratory |
| BEPR | Biological Excess Phosphorus Removal |
| MOAG | MINDO Optimized Adjusted Geometries |
| MST | Microbial Source Tracking |