MCA

plural MCAs

1. abbreviationcountableinitialismuncountableastronomyInitialism of Mars-crossing asteroid.
2. abbreviationcountableinitialismuncountableaeronauticsInitialism of minimum crossing altitude.
3. countableuncountableA master in computer science and application.
4. abbreviationcountableinitialismuncountableanatomyInitialism of middle cerebral artery.
5. abbreviationcountableinitialismuncountableInitialism of multiple congenital anomalies
6. abbreviationcountableinitialismuncountablenauticalInitialism of Maritime and Coastguard Agency

1. abbreviationinitialismuncountablecomputingInitialism of Micro Channel architecture (“a computer bus standard for connecting internal components”)

1. abbreviationinitialismMalaysian politicsInitialism of Malaysian Chinese Association, a political party for Malaysian Chinese.