Definition of "MCA"

(astronomy) Initialism of Mars-crossing asteroid.  examples

(aviation) Initialism of minimum crossing altitude.  examples

A master in computer science and application.  examples

(anatomy) Initialism of middle cerebral artery.  examples

(computing) Microchannel Architecture, a computer bus standard (expansion bus) for connecting of internal components.  examples

(politics) Initialism of Malaysian Chinese Association. (political party for Malaysian Chinese)  examples