单词	bioaccumulation
释义	bioaccumulation noun bio·​ac·​cu·​mu·​la·​tion ˌbī-(ˌ)ō-ə-ˌkyü-m(y)ə-ˈlā-shən  : the accumulation over time of a substance and especially a contaminant (such as a pesticide or heavy metal) in a living organism bioaccumulate ˌbī-(ˌ)ō-ə-ˈkyü-m(y)ə-ˌlāt  verb, transitive + intransitive bioaccumulated; bioaccumulating; bioaccumulates Oysters, like other bivalves, are sessile organisms that are continually filtering water, and they often bioaccumulate toxins … David C. Metzger The chemical inertness of these compounds makes them useful for a variety of consumer and industrial products, but this property also means the compounds are persistent and can bioaccumulate. Stephen K. Ritter bioaccumulative ˌbī-(ˌ)ō-ə-ˈkyü-m(y)ə-ˌlā-tiv  adjective Persistent bioaccumulative pollutants pose the greatest chemical threat to sustainability. Science Word History First Known Use 1956, in the meaning defined above Medical Definition bioaccumulation noun bio·​ac·​cu·​mu·​la·​tion ˌbī-ō-ə-ˌkyü-myə-ˈlā-shən  : the accumulation of a substance (as a pesticide) in a living organism
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