| Acronym | Meaning |
| DCBX | Distorted Coulomb-Born Exchange Approxn. |
| RNA | Remediation By Natural Attenuation |
| D.I. | Direct Injection [of Diesel Engines] |
| ERCS | Emergency Response Cleanup Services |
| DWM | Distorted Wave Method |
| CAMD | Computer Aided Material Design |
| ARDS | Adult Respiratory Distress Syndrome |
| MERRF | Myoclonic Epilepsy Associated With Ragged-red Muscle Fibers |
| CDER | Center For Drug Evaluation And Research |
| IGCAR | Indira Gandhi Center Atomic Research |