MDD

Possible meanings:

1. Major depressive disorder
2. Market domain data
3. Medical Device Directive
4. Meteorological data distribution
5. Mine Detection Dog
6. Model-driven development - A general class of software development processes and techniques that emphasizes the use of models as a key element in the development. MDA™ is an example of one approach to MDD.
7. Modern Day David
8. Modern Drug Discovery
9. Mooring Design and Dynamics
10. Mountain Desert District
11. Multidimensional discrete data
12. Multiplex Developmental Disorder