a measure of a country's money supply, comprising currency in circulation and funds readily convertible into cash, chiefly checking-account deposits: other measures (M-2, M-3, etc.) include additional components of money supply, such as time deposits and money market funds
Origin of M-1m(oney) + identifying numeral
A 5.56 mm-caliber, gas-operated, clip-fed assault rifle, first used by US troops during the Vietnam War.
Origin of M-1M, military classification.
m1 - Computer Definition
m1 - Investment & Finance Definition
A measure of monetary supply tracked by the New York Federal Reserve Bank and reported every Thursday. See also money supply.