bioaccumulatedadj.
/ˌbʌɪəʊəˈkjuːmjᵿleɪtᵻd/, U.S. /ˌbaɪoʊəˈkjum(j)əˌleɪdəd/ 1. Geology. = bioclastic adj. rare.
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1960 A. V. Carozzi Microsc. Sedimentary Petrogr. 203 Bioaccumulated limestones are defined here as the main deposits formed by sedentary but noncolonial organisms and their related ecological communities... Their main features are..predominance of unbroken fossils, lack of sorting and of characters indicating any kind of transportation, diversity of organic components, and a relatively scarce fine-grained matrix.
1986 Sedimentary Geol. 47 221 These models revealed an initial bioclastic bar evolving upward into a complex bioaccumulated-bioconstructed phylloid algal buildup.
2. Environmental Science. Of a (toxic) chemical: accumulated in the tissues of organisms or in an ecosystem or food chain. Cf. bioaccumulation n.
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1973 Proc. Marine Technol. Soc. 9th Ann. Conf. 214 Preston et al (1972) have pointed out several other ways in which bioaccumulated pollutants may improve our knowledge of natural processes.
1988 P. F. Rogerson in J. J. Lichtenberg Chem. & Biol. Characterization of Munic. Sludges 214 A skilled analyst can then identify the bioaccumulated contaminants using qualitative identification by gas chromatography/mass spectroscopy.
2005 Sunday Tasmanian (Nexis) 17 July 58 Dr Obendorf pointed the finger at bioaccumulated Persistent Organic Pesticides (POPs) such as PCBs, PBDEs, dioxins and furans.
This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).
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adj.1960