Absorption - Chemistry Glossary Definition

Definition: Absorption is the process by which atoms, molecules, or ions enter a bulk phase (liquid, gas, solid). Absorption differs from from adsorption, since the atoms/molecules/ions are taken up by the volume, not by surface.

Examples: absorption of carbon dioxide by sodium hydroxide

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Helmenstine, Anne Marie, Ph.D. "Absorption - Chemistry Glossary Definition." ThoughtCo, Jun. 24, 2014, thoughtco.com/definition-of-absorption-chemistry-605818. Helmenstine, Anne Marie, Ph.D. (2014, June 24). Absorption - Chemistry Glossary Definition. Retrieved from https://www.thoughtco.com/definition-of-absorption-chemistry-605818 Helmenstine, Anne Marie, Ph.D. "Absorption - Chemistry Glossary Definition." ThoughtCo. https://www.thoughtco.com/definition-of-absorption-chemistry-605818 (accessed January 19, 2018).