accumulate

US /əˈkjuː.mjə.leɪt/
UK /əˈkjuː.mjə.leɪt/
"accumulate" picture
1.

gather or acquire an increasing number or quantity of

:
Over the years, he accumulated a vast collection of books.
Dust and dirt quickly accumulate in an empty house.
2.

increase in quantity or extent over a period of time

:
The evidence against him began to accumulate.
Interest will accumulate on the unpaid balance.