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Definition of Photophoresis
1. Noun. The slow drift of fine particles suspended in a gas away from a strong light source ¹
¹ Source: wiktionary.com
Medical Definition of Photophoresis
1. See: extracorporeal photophoresis. Extracorporeal photophoresis, destruction of cells separated from blood in an extracorporeal flow system by ultraviolet activation of chemotherapeutic agents such as psoralens. (05 Mar 2000)