bioconcentrate
/ˌbʌɪə(ʊ)ˈkɒns(ɛ)ntreɪt/verb
1 [no object] Of a (typically toxic) chemical: to bioaccumulate, thereby increasing in concentration; to become progressively concentrated in organisms further up the food chain, or in a specific environment, etc.
2 [with object] Of an organism: to accumulate (a chemical), so that the concentration increases in its tissues. Compare bioaccumulate, biomagnify.
Origin
1970s; earliest use found in BioScience. From bio- + concentrate, after bioconcentration.