| Acronym | Meaning |
| PZEV | Partial Zero Emission Vehicle |
| IIW | International Institute Of Welding |
| CCD | Carbonate Compensation Depth |
| CIDA | Cometary Impact Dust Analyzer |
| WISE | Wide-field Infrared Survey Explorer |
| BGC | Biogeochemical Cycling |
| NEBOSH | National Examination Board In Occupational Safety And Health |
| OCE | Overall Control Efficiency |
| IRTF | NASA Infrared Telescope Facility |
| NMRD | Nuclear Magnetic Relaxation Dispersion |