biomagnificationn.

1969 N.Y. Times 27 Apr. d42/5 Continuous exposure of soil and water organisms to low levels of DDT or other chlorinated hydrocarbons results in a build-up (biomagnification) of the pesticide in the fatty tissues of the organism many times over the level of exposure.

1970 Technol. Assessment: Hearings (U.S. Congress. House Comm. Sci. & Astronautics) 54 Radioactive fallout contaminated much of our food and water and was shown to undergo biomagnification in aquatic animals.

1984 D. W. Connell & G. J. Miller Chem. & Ecotoxicol. Pollution 38 The degree of biomagnification is usually a complex function of: the number of links in the food chain..; the nature of the compound being bioaccumulated; [etc.].

2003 Nat. New Eng. Summer 44/3 The alewife..have not accrued these toxins in their bodies. Thus, a large alewife run will help to curtail the harmful effects of biomagnification on fish-eating birds.