Absorption

Definition

noun

(general) The act or process of absorbing or assimilating.

(biology) The process of absorbing or assimilating substances into cells or across the tissues and organs through diffusion or osmosis, as in absorption of nutrients by the digestive system, or absorption of drugs into the bloodstream.

(physics) The act or process of retaining light energy without reflection or transmission upon passing through a medium, as in the absorption of light by atoms.

(chemistry) The process in which a substance permeates another, as in a liquid permeating, or absorbed by, a solid.

(psychology) Complete attention, engrossment or concentration to an object or activity.


Supplement

Word origin: Latin absorptio, from absorbere.

Related forms: absorb (verb).
Related terms: absorption band, absorption cell, atomic absorption spectrophotometry, cutaneous absorption, external absorption, linear absorption coefficient, specific absorption coefficient.

Compare: adsorption.


Please contribute to this project, if you have more information about this term feel free to edit this page



This page was last modified on 18 October 2008, at 00:33. This page has been accessed 153,509 times. 
What links here | Related changes | Permanent link