| Acronym | Meaning |
| IST | Information System Technology - UCF Institute For Simulation And Training |
| CMS | Centres For Medicare And Medicaid Services |
| EVA | Extra-Vehicular Activity |
| RCRA | Resource Conservation And Recovery Act (reck-ra Or Rick-ra) |
| OA | Operational Analysis |
| LISA | Laser Interferometer Space Antenna |
| HI | Hawaii (postal Symbol) |
| TCL | Tool Command Language |
| SPA | Spanish Language (ISO 639-2 Code) |
| MLB | Major League Baseball |