| Acronym | Definition |
|---|
| MIER➣Malaysian Institute of Economic Research |
| MIER➣Ministry of International Economic Relations (Serbia) |
| MIER➣Mathematica in Education and Research (quarterly journal) |
| MIER➣Mobile Internet Protocol Extensions Rationalization |
| MIER➣Multicompartment Immobilized Enzyme Reactor |
| MIER➣Membrane-Immobilized Enzyme Reactor (enzyme technology conversion vessel) |