Meaning of the word cumulative in English

What does cumulative mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cumulative

US /ˈkjuː.mjə.lə.t̬ɪv/
UK /ˈkjuː.mjə.lə.tɪv/
"cumulative" picture

Adjective

increasing or increasing in effect by successive additions

Example:
The cumulative effect of all these changes is significant.
His knowledge of history is cumulative, built up over years of reading.