[noo-muh-rey-shuh n, nyoo-]
  1. an act or instance of or the process or result of numbering or counting.
  2. the process or a method of reckoning or calculating.
  3. the act, art, or method of expressing or reading off numbers set down in numerals, especially those written decimally.

Origin of numeration

1400–50; late Middle English < Latin numerātiōn- (stem of numerātiō) a counting out, paying, equivalent to numerāt(us) numerate + -iōn- -ion
Related formsnu·mer·a·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for numerative


  1. the act or process of writing, reading, or naming numbers
  2. a system of numbering or counting
Derived Formsnumerative, adjective
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

Word Origin and History for numerative



mid-15c., from Latin numerationem (nominative numeratio), noun of action from past participle stem of numerare "to count, number," from numerus "number" (see number (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper