i Register
In some senses, ma is marked as informal, US, colloquial. Watch for register when choosing this word.
adj
Initialism of moving average.
noun
Initialism of Master of Arts.
Initialism of mature audience, a television rating.
Initialism of master-at-arms; also MAA.
name
Abbreviation of Massachusetts: a state of the United States.
Abbreviation of Maluku: a province of Indonesia.
Abbreviation of Maranhão: a state of Brazil.
Abbreviation of Mastercard.
Shares of Visa (V) and Mastercard (MA) moved slightly higher after the deal was announced.