Home › Words › P › photophoresisphotophoresisphotophoresis · noun — the slow drift of fine particles suspended in a gas away from a strong light source.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom photo- + -phoresis.nounThe slow drift of fine particles suspended in a gas away from a strong light sourceDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.photophoretic 72% match — Of or pertaining to photophoresis vs photophoresis →autophoresis 66% match — The spontaneous movement of particles in a suspension caused by nonlinear interplay between surface osmotic flows and solute advection vs photophoresis →photopheresis 63% match — A form of apheresis and photodynamic therapy in which blood is treated with photoactivable drugs which are then activated with ultraviolet light. vs photophoresis →chemophoresis 63% match — The movement of molecules in a chemical gradient vs photophoresis →photoconvection 62% match — convection under the influence of light vs photophoresis →photodesorption 60% match — An increase in the desorption of a substance from an interface in the presence of light. vs photophoresis →photoprecipitation 60% match — precipitation caused by light vs photophoresis →diffusiophoresis 59% match — The movement of colloidal particles in a fluid due to a gradient in the concentration of another species. vs photophoresis →