| Acronym | Meaning |
| AEM | Analytical Electron Microscopy |
| NACLA | The National Cooperation For Laboratory Accreditation |
| PDA | Phase Doppler Analysis |
| TIMI | Thrombolysis In Myocardial Infarction |
| LNGFR | Low-affinity Nerve Growth Factor Receptor |
| DLCA | Diffusion Limited Cluster Aggregation |
| SEAM | Superfund Exposure Assessment Manual |
| OMO | Orthogonalized Magnetic Orbital |
| MINDO/3L | Modified Intermediate Neglect Of Differential Overlap/3 For Limited Electrons |
| CEDI | Continuous Electrodeionization |