Simple past tense and past participle of cumulate.(verb)
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Use "cumulated" in a sentence
"Among these 18, 11 had stock-market crashes, defined as a cumulated real rate of return of minus 25% or worse."
"Please note that the percentages of the anchor texts is already cumulated, that is a 50\% besides "widget" means that "widget" was used as anchor text in 50\% of all links."
"The euro-zone's 12-month cumulated current account deficit widened to €52.3 billion in April from €12.4 billion a year earlier, largely due to a decline in the surplus of goods."