| Acronym | Meaning |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| GGA | Generalized Gradient Approxn. |
| BMR | Basal Metabolic Rate |
| CSD | Crystal Size Distribution |
| OPA | Optical Parametric Amplifier |
| PKR | Protein Kinase R |
| CSVC | Computer System Validation Committee |
| EEC | European Economic Community |
| TEAM | Total Exposure Assessment Methodology |
| BCC | Bioaccumulative Chemicals Of Concern |