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cumulate

[v. kyoo-myuh-leyt; adj. kyoo-myuh-lit, -leyt] /v. ˈkyu myəˌleɪt; adj. ˈkyu myə lɪt, -ˌleɪt/
verb (used with object), cumulated, cumulating.
1.
to heap up; amass; accumulate.
adjective
2.
heaped up.
Origin
1525-1535
1525-35; < Latin cumulātus (past participle of cumulāre to heap up, pile up, accumulate), equivalent to cumul(us) a heap, pile, mass, cumulus + -ātus -ate1
Related forms
cumulately, adverb
decumulate, verb (used with object), decumulated, decumulating.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for de-cumulate

cumulate

verb (ˈkjuːmjʊˌleɪt)
1.
to accumulate
2.
(transitive) to combine (two or more sequences) into one
adjective (ˈkjuːmjʊlɪt; -ˌleɪt)
3.
heaped up
Derived Forms
cumulately, adverb
cumulation, noun
Word Origin
C16: from Latin cumulāre from cumulus heap
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for de-cumulate

cumulate

v.

1530s, from Latin cumulatus "heaped, increased, augmented," past participle of cumulare "to heap," from cumulus "mound, heap" (see cumulus). Related: Cumulated; cumulating.

Online Etymology Dictionary, © 2010 Douglas Harper
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