[verb kyoo-myuh-leyt; adjective kyoo-myuh-lit, -leyt]
- to heap up; amass; accumulate.
- heaped up.
Origin of cumulate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to accumulate
- (tr) to combine (two or more sequences) into one
- heaped up
C16: from Latin cumulāre from cumulus heap
Word Origin and History for decumulate
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