| Acronym | Definition |
|---|
| ECMM➣Electrochemical Micromachining |
| ECMM➣European Confederation of Medical Mycology (est. 1993) |
| ECMM➣European Community Monitor Mission (now European Union Monitoring Mission; diplomatic mission to Bosnia and Herzegovina starting 1991) |
| ECMM➣European Conference on Molecular Magnetism |
| ECMM➣Études Constructions Métalliques et Mécaniques (French: Mechanical and Metallic Construction Studies) |
| ECMM➣East Coast Mobile Medical, Inc. (Canada) |
| ECMM➣Ethyl Carbonate Molecular Modification |
| ECMM➣Embedded Cable Modem Module |
| ECMM➣Ether Carbon Molecular Modification |
| ECMM➣Enumeration of Chinese Materia Medica |