| Acronym | Meaning |
| GIPOF | Graded-Index Plastic Optical Fiber |
| AAR | Association Of American Railroads |
| MRDL | Maximum Residual Disinfectant Level |
| CFF | Consistent Force Field |
| FPEIS | Fine Particulate Emissions Information System |
| SHRIMP | Scalar Heteromolecular Recoupled Interactions By Multiple Phase |
| EMT | Effective-medium Theory (of Bonding In Metallic Systems) |
| EMD | Electrochemically (manufd.) Manganese Dioxide |
| SIMD | Single-instruction Multiple-data |
| RSK | Rajagopal-Singhal-Kimball (local-spin-d. Potential For Electronic Structure Calcns.) |