Definition of bioaccumulative in English:

bioaccumulative

Pronunciation /ˌbʌɪəʊəˈkjuːmjʊlətɪv/

adjective

Ecology
  • Of a (typically toxic) chemical: having a tendency to bioaccumulate.

Origin

1970s; earliest use found in Proceedings of the Royal Society of London. From bio- + accumulative, after bioaccumulate or bioaccumulation.