| Acronym | Meaning |
| OHCE | One-and-a-half-centered Expansion (method For Calcns. On Charge Transfer In Ion-atom Scattering) |
| HMR | Hazardous Materials Regulations |
| ATSR | Along-Track Scanning Radiometer |
| CTR | Crystal Truncation Rod |
| FDDI | Fiber-Distributed Data Interface |
| ISEE | International Society For Environmental Epidemiology |
| GCLDA | Gradient-corrected Local Density Approximation |
| QAR | Quality Assurance Reagent |
| CERT | Const. Extension Rate Tensile |
| ICSI | Intracytoplasmic Sperm Injection |