| Acronym | Meaning |
| ERDAS | Earth Resource Data Analysis System |
| WSDA | Weighted Spin-density Approxn. |
| ADI | Austempered Ductile Iron |
| ODSC | Oscillating Differential Scanning Calorimetry |
| MSA | Mean Spherical Approxn. |
| MGED | Microarray Gene Expression Database |
| AMS | AIRS Area/Mobile Source Subsystem (subsystem Of AIRS) |
| IWOP | Integration Within (an Ordered Product Of) Operators |
| RMC | Relativistic Multiconfiguration |
| TCC | Thermofor Catalytic Cracking |