M-1 Hear it!

M-1 definition

M-1 (em′wun′)

noun

Econ. a measure of the U.S. money supply comprising currency in circulation and all types of checking accounts: other measures (M-1A, M-1B, M-2, M-3, etc.) include other components of the money supply, as time deposits and money market funds

Etymology: m(oney) + identifying numeral

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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