MDM

noun5

1. •
   Initialism of mobile device management.
2. •
   Initialism of master data management.
3. •
   Initialism of misinformation, disinformation, and malinformation.
4. •
   Initialism of medical decision making.
5. •
   Initialism of multiplexer-demultiplexer.

noun1

1. •
   (Singapore) Abbreviation of Madam; a polite form of address and title used before a (usually middle-aged) adult or elderly woman's surname, full name or given name if she does not have a family name.

   • His is also a family of four comprising the father, 36-year-old Mr Marzuki; the mother, 35-year-old Mdm Zaiton; […] — 2007