PHOTOCONDUCTIVITY Meaning of PHOTOCONDUCTIVITY in English [ ˌfəʊtə(ʊ)kɒndʌk'tɪvɪti ]■ noun increased electrical conductivity caused by the presence of light.Derivativesphotoconductive adjectivephotoconductor noun Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004