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bioaccumulation

[bahy-oh-uh-kyoo-myuh-ley-shuh n] /ˌbaɪ oʊ əˌkyu myəˈleɪ ʃən/
Related forms
bioaccumulative, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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bio accumulation in Science
bioaccumulation
  (bī'ō-ə-kym'yə-lā'shən)   
The accumulation of a substance, such as a toxic chemical, in various tissues of a living organism. Bioaccumulation takes place within an organism when the rate of intake of a substance is greater than the rate of excretion or metabolic transformation of that substance. Compare biomagnification.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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