[uh-kyoo-myuh-ley-shuh n]


act or state of accumulating; state of being accumulated.
that which is accumulated; an accumulated amount, number, or mass.
growth by continuous additions, as of interest to principal.

Origin of accumulation

First recorded in 1480–90, accumulation is from the Latin word accumulātiōn- (stem of accumulātiō). See accumulate, -ion
Related formsnon·ac·cu·mu·la·tion, nouno·ver·ac·cu·mu·la·tion, nounpre·ac·cu·mu·la·tion, nounre·ac·cu·mu·la·tion, nounsu·per·ac·cu·mu·la·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for accumulation

Contemporary Examples of accumulation

Historical Examples of accumulation

  • It has been the accumulation of years, and was intended as a provision for you and Robert.

    Brave and Bold

    Horatio Alger

  • You'll get an accumulation on your ship that will shoot off like lightning—millions of volts!

    The Hammer of Thor

    Charles Willard Diffin

  • With them was a bundle of newspapers and an accumulation of mail matter.

    The Woman-Haters

    Joseph C. Lincoln

  • This place is remarkable for the accumulation of Aztec and Spanish antiquities.

    Aztec Land

    Maturin M. Ballou

  • History fills up some of its gaps by an accumulation of reasonings.

British Dictionary definitions for accumulation



the act or process of collecting together or becoming collected
something that has been collected, gathered, heaped, etc
  1. the continuous growth of capital by retention of interest or earnings
  2. (in computing the yield on a bond purchased at a discount) the amount that is added to each yield to bring the cost of the bond into equality with its par value over its lifeCompare amortization (def. 2)
the taking of a first and an advanced university degree simultaneously
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 accumulation

late 15c., from Latin accumulationem (nominative accumulatio) "a heaping up," noun of action from past participle stem of accumulare "to heap up, amass," from ad- "in addition" (see ad-) + cumulare "heap up," from cumulus "heap" (see cumulus).

Online Etymology Dictionary, © 2010 Douglas Harper