accumulation
noun OPAL W
/əˌkjuːmjəˈleɪʃn/
/əˌkjuːmjəˈleɪʃn/
- [uncountable] the process of gradually increasing or getting more and more of something over a period of time
- the accumulation of wealth
- [countable] an amount of something that has gradually increased over a period of time
- an accumulation of toxic chemicals