mdm

(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.

(computing) Initialism of master data management. [(data management) A set of processes and tools which centrally and persistently define the non-transactional entities of an organization, with the objective to collect from, and supply to various processes, unique instances of each entity.]

(computing) Initialism of mobile device management.

(medical coding) Initialism of medical decision making.

Initialism of misinformation, disinformation, and malinformation. [Information that is incorrect, whether intentionally or unintentionally.]

(electronics) Initialism of multiplexer-demultiplexer.