Meaning of CUMULATIVE in English

CUMULATIVE

/ ˈkjuːmjələtɪv; NAmE -leɪtɪv/ adjective

1.

having a result that increases in strength or importance each time more of sth is added :

the cumulative effect of human activity on the world environment

2.

including all the amounts that have been added previously :

the monthly sales figures and the cumulative total for the past six months

►  cu·mu·la·tive·ly adverb

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.