v.
Pronunciation: ə - ' kyü-m(y) ə - ˌ l ā t
Function: verb
Inflected Form: -lat · ed ; -lat · ing
Etymology: Latin accumulatus, past participle of accumulare, from ad- + cumulare to heap up ― more at CUMULATE
Date: 15th century
transitive verb : to gather or pile up especially little by little : AMASS < accumulate a fortune>
intransitive verb : to increase gradually in quantity or number