adsorption(redirected from Physical adsorption)
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Toxic gas molecules adhere to the activated charcoal in a gas mask, allowing the person wearing the mask to breathe nontoxic air.
The accumulation of gases, liquids, or solutes on the surface of a solid or liquid.
ad·sorp′tive (-tĭv) adj.
ad•sorp•tion(ædˈsɔrp ʃən, -ˈzɔrp-)
the process by which an ultrathin layer of one substance forms on the surface of another substance.
The process by which molecules of a substance, such as a gas or a liquid, collect on the surface of another substance, such as a solid. The molecules are attracted to the surface but do not enter the solid's minute spaces, as in absorption. Some drinking water filters consist of carbon cartridges that adsorb contaminants. Compare absorption.
The process by which molecules of gases or liquids become attached to the surface of another substance. Desorption is the opposite process.
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|Noun||1.||adsorption - the accumulation of molecules of a gas to form a thin film on the surface of a solid|
chemisorption, chemosorption - adsorption (especially when irreversible) by means of chemical instead of physical forces; "chemisorption of gaseous nitrogen on iron catalysts"
sorption - the process in which one substance takes up or holds another (by either absorption or adsorption)