cumulation

noun

cu·​mu·​la·​tion ˌkyü-myə-ˈlā-shən 

÷-mə-

plural -s

1

: a heaping together : a gradual building up

cumulation of effect of a drug

the cumulation of a body of jurisprudence

2

: the product or result of cumulating

three cumulations of the index were published yearly

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