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photophoresis

noun pho·to·pho·re·sis \ ˌfōtəfəˈrēsə̇s \

Definition of photophoresis

plural photophoreses \-ēˌsēz\
: movement of small particles (as dust particles) under the influence of radiant energy (as light) that is considered positive when the movement is away from the source of energy and negative when toward it — compare magnetophotophoresis
—

photophoretic

adjective

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Origin and Etymology of photophoresis

New Latin, from phot- + -phoresis

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