Cumulative

What is Cumulative ?

Cumulative is (adj) 1. which is added gradually, especially each year The interest on this account is cumulative. The cumulative effect of a series of late nights finally caught up with him and he fell asleep during the dinner. 2. which grows by adding new parts A cumulative index is made up of several different indexes put together.

 

source: Easier English, Student Dictionary Upper Intermediate Level