different between photoabsorption vs photoadsorption

English

photo- +? absorption

photoabsorption (uncountable)

(physics) A situation in which all of the energy of a photon is transferred to an atom or molecule

photo- +? adsorption

photoadsorption (countable and uncountable, plural photoadsorptions)

(physics, chemistry) An increase in the adsorption of a substance at an interface in the presence of light.

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