| Acronym | Meaning |
| NVH | Noise, Vibration, And Harshness |
| MCPI | Monte Carlo Path Integration |
| IRS | Internal Reflection Spectroscopy |
| BCR | B Cell Receptors |
| CNMMN | Commission On New Minerals And Mineral Names |
| HBV | Hepatitis B Virus |
| LCPA | Local Coherent Potential Approximation |
| ITTFA | Iterative Target Transformation Factor Analysis |
| RSPA | Research And Special Programs Administration (Dept. Of Transportation) |
| WSI | Water Sediment Interface |