Definition of "MDA"

(military, US) Initialism of Missile Defense Agency.

(electronics, mobile) Initialism of mobile data assistant.  examples

(software, design) Initialism of message-driven architecture.  examples

(software, design) Initialism of model-driven architecture.  examples

(uncountable, computing) Initialism of monochrome display adapter.  examples

(countable, software, e-mail) Initialism of mail delivery agent.  examples

(aviation) Initialism of minimum descent altitude.  examples

(uncountable, organic chemistry) Initialism of malondialdehyde.  examples

(uncountable, pharmacology) Initialism of methylenedioxyamphetamine, especially 3,4-methylene​dioxy​amphetamine.

(physics, chemistry) Initialism of medium-density amorphous ice (“a form of H2O water ice, with a density like that of liquid water”).  examples