| Acronym | Meaning |
| ZPC | Zero-point (energy) Corrections |
| AAR | Accumulation-area Ratio (for Glaciers) |
| NGDC | National Geophysical Data Center |
| AASHO | American Association Of State Highway Officials |
| CIDA | Cometary Impact Dust Analyzer |
| ASBOW | Axial Spin Bond-order Wave |
| SCRPA | Self-consistent Random Phase Approximation |
| EAZO | Energetically Active Zones Of The Ocean |
| TRO | Tubular Reverse Osmosis |
| PDU | Process Development Unit |