| Acronym | Definition |
|---|
| MASE➣Math and Science Education (various locations) |
| MASE➣Master of Arts in Special Education (degree) |
| MASE➣Micro-Architectural Simulation Environment (computing) |
| MASE➣Master Accredited Systems Engineer |
| MASE➣Member of the American Society of Embalmers |
| MASE➣Microwave-Assisted Solvent Extraction |
| MASE➣Message Administration Service Element |
| MASE➣Multi-Aegis Site Emulator (flight plan data processing; NATO Programming Centre) |
| MASE➣Mississippi Alliance of State Employees |
| MASE➣Multi-Axis Seat Ejection |
| MASE➣Maximum Average Spectral Efficiency |
| MASE➣Mission Analysis and System Engineering |
| MASE➣Modified Aft Signal Ejector (US 637/640 Class submarine) |