Definition of accumulation noun from the Oxford Advanced Learner's Dictionary. [uncountable] the process of gradually increasing or getting more and more of something over a period of time. Want to learn more? [countable] an amount of something that has gradually increased over a period of time.
An accumulation is a gathering or increase of something over time. You might cross your fingers in hopes of a large accumulation of snow, so that you get a day off of school.
An accumulation of something is a large number of things that have been collected together or acquired over a period of time. ...an accumulation of experience and knowledge.
Noun accumulation (countable and uncountable, plural accumulations) The act of amassing or gathering, as into a pile. The process of growing into a heap or a large amount.
ac•cu•mu•la•tion (ə kyo̅o̅′myə lā′ shən), n. state of being accumulated. an accumulated amount, number, or mass. growth by continuous additions, as of interest to principal. Latin accumulātiōn- (stem of accumulātiō). See accumulate, - ion. Synonyms: collection, buildup, amassing, accretion, aggregation, more...
