Absorption

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Term Absorption
Description The uptake of water , other fluids, or dissolved chemicals by a cell or an organism (as tree roots absorb dissolved nutrients in soil.)
Definition Absorption

Absorption is the passage of one substance into or through another. 1. The penetration of one substance into or through another. 2. Specifically, the penetration of a substance into the body from the skin, lungs, or digestive tract. The uptake of water , other fluids, or dissolved chemicals by a cell or an organism (as tree roots absorb dissolved nutrients in soil.)

References http://www.epa.gov/OCEPAterms/aterms.html

http://www.epa.gov/oswer/riskassessment/glossary.htm

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