photophoresis

n. (pl. photophoreses) (as, the movement of small particles under the influence of radiant energy; a phenomenon in which a unidirectional motion is given, by a strong beam of light, to a system composed of very fine liquid or solid particles, which are suspended in a gas or falling through a vacuum) प्रकाश कणसंचलन (न.) cf. magnetophotophoresis चुंबक-प्रकाश कणसंचलन