absorption

absorption

[ab-sawrp-shuhn, -zawrp-]
absorption [Lat.,=sucking from], taking of molecules of one substance directly into another substance. It is contrasted with adsorption, in which the molecules adhere only to the surface of the second substance. Absorption may be either a physical or a chemical process, physical absorption involving such factors as solubility and vapor-pressure relationships and chemical absorption involving chemical reactions between the absorbed substance and the absorbing medium.
Absorption may refer to:

Chemistry and biology

Physics and mechanical engineering

Mathematics and economics

  • Absorption law, in mathematics, an identity linking a pair of binary operations
  • Absorption (economics), the total demand of an economy for goods and services both from within and without

See also

  • Adsorption, the formation of a liquid or gas film on a solid surface
  • Digestion, the uptake of substances by the gastrointestinal tract
  • Flow (psychology), a state of total mental "absorption"

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