Absorption

Not to be confused with adsorption.

Absorption may refer to:

Chemistry and biology

• Absorption (chemistry), absorption of particles of gas or liquid in liquid or solid material
• Absorption (skin), a route by which substances can enter the body through the skin
• Absorption (pharmacokinetics), absorption of drugs in body
• CO2 scrubber, the absorbent in a rebreather
• Absorption (small intestine)

Physics and mechanical engineering

• Absorption (electromagnetic radiation), absorption of light or other electromagnetic radiation by a material
• Absorption (acoustics), absorption of sound waves by a material
• Dielectric absorption, a determination of how much electrical permittivity a material has
• Absorption refrigerator, a refrigerator that runs on surplus heat rather than electricity
• Absorption air conditioning, a type of solar air conditioning

Mathematics and economics

• Absorption law, in mathematics, an identity linking a pair of binary operations
• Absorbing element, in mathematics, an element that does not change when it is combined in a binary operation with some other element
• Absorption (economics), the total demand of an economy for goods and services both from within and without
• Absorption costing, or total absorption costing, a method for appraising or valuing a firm's total inventory by including all the manufacturing costs incurred to produce those goods

Logic

• Absorption (logic), one of the rules of inference

See also

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