#1 mA n. [ma, mama, mamma, mom, momma, mommy, mammy, mum, mummy] informal terms for a mother. wn
#2 mA n. [Master of Arts, MA, Artium Magister, AM] a master's degree in arts and sciences. wn
#3 mA n. [milliampere] one thousandth of an ampere. wn
#4 mA n. [Massachusetts, Bay State, Old Colony, MA] a state in New England; one of the original 13 colonies. wn
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