Dictionary.com
definitions

money of account

noun
  1. a monetary denomination used in reckoning, especially one not issued as a coin, as the U.S. mill.

Origin of money of account

First recorded in 1685–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for money of account

money of account

noun
  1. another name (esp US and Canadian) for unit of account
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012