Meaning of CUMULATIVE in English
adj.1 a increasing or increased in amount, force, etc., by successive additions (cumulative evidence). b formed by successive additions (learning is a cumulative process).
2 Stock Exch. (of shares) entitling holders to arrears of interest before any other distribution is made.
Phrases and idioms:
cumulative error an error that increases with the size of the sample revealing it. cumulative voting a system in which each voter has as many votes as there are candidates and may give all to one candidate.
cumulatively adv. cumulativeness n.
Oxford English vocab. Оксфордский английский словарь. 2012