| Acronym | Meaning |
| C4S | Chemical Shift-specific Slice Section |
| HLA | Human Leukocyte Antigen |
| DVR-REV | Discrete Variable Representation-ray Eigenvector |
| ONWI | Office Of Nuclear Waste Isolation |
| DRI | Direct Reduced Iron |
| IIA | Information Industry Association |
| AEHA | Army Environmental Hygiene Agency |
| EIS | Electrochem. Impedance Spectroscopy |
| OWPE | Office Waste Programs Enforcement |
| MFI | Melt Flow Index [of Polymer] |