photoconductivitécommon nounSyllable DecompositionphotoconductivitéEtymologyexpandsee photo- and conductivity.Definition1. Physical mechanism by which the electrical resistance of a body varies when illuminated with electromagnetic radiation belonging to all domains of the light spectrum (visible domain, ultraviolet, and infrared).expandPluralphotoconductivitésTranslationsenglish:photoconductivity