| Acronym | Meaning |
| NAVSAT | Navigation Satellite |
| ETLA | Extended TLA |
| OSL | Open Source License - Optically Stimulated Luminescence - Orbiting Solar Laboratory |
| SIPP | Self-Invested Personal Pension |
| MC | Millicoulomb |
| CVT | Continuously Variable Transmission |
| ACT | Adaptive Control Of Thought (cognitive Model) ? Australian Capital Territory (postal Symbol) ? American College Test(ing Program) |
| CVLL | Crypto Variable Logic Label |
| EGRET | Energetic Gamma-Ray Experiment Telescope |
| DSM | Diagnostic And Statistical Manual Of Mental Disorders |