sort by Rank | Alpha
| Possible Meanings | Rank |
| modified cumulative embryo score | ** |
| Multiple cholesterol emboli syndrome | ** |
| multiple cholesterol embolization syndrome | ** |
| Machine Check Error Summary | ** |
| Maryland Coalition for Excellent Schools | ** |
| Metropolitan Council of Environmental Services | ** |
| mucosal competitive exclusion culture from swine | ** |
| Michigan Coalition of Essential Schools | ** |
| Medical Care Evaluation Study | ** |
| Managed Compliance ELearning Services | ** |
| McMaster Chinese Engineering Society | ** |
| Minnetonka Community Education and Services | ** |
| Molecular and Cellular Endocrinology Section | ** |
| Montgomery County Emergency Services | ** |
| Maryland Cooperative Extension Service | * |
| Maximum Common Edge Subgraph | * |
| Major City Earth Station | * |
| Michigan Center for Environmental Studies | * |
| Main Condenser Evacuation System | * |
| Mitigation Controlled Exhaust System | * |