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Definition of DMA noun from the Oxford Advanced Learner's Dictionary

DMA

noun
dma pronunciation English ˌdiː em ˈeɪ dma pronunciation American ˌdiː em ˈeɪ
[uncountable]
 
the abbreviation for ‘direct memory access’ (a system that allows a device attached to a computer to take data from the computer's memory without using the central processing unit )