| Acronym | Meaning |
| SCIA | Semiclassical Impulse Approxn. |
| ECB | European Chemicals Bureau |
| RPE | Retinal Pigment Epithelium |
| ELSA | Emergency Level Scale Assessment |
| NITS | National Institute Of Technology And Standards |
| NHLBI | National Heart |
| CCE | Capacitative Calcium Entry |
| AFRP | Advanced Fuel Recycle Program |
| PKI | Public Key Infrastructure |
| GCAM | Global Change Assessment Modeling |