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bioaccumulation

[bahy-oh-uh-kyoo-myuh-ley-shuh n]
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noun
  1. biological accumulation.
Related formsbi·o·ac·cu·mu·la·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
bioaccumulation in Science

bioaccumulation

[bī′ō-ə-kyōōm′yə-lāshən]
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.