noun
: a photoelectric cell utilizing photoconductivity (as in a layer of selenium) so that an increase in illumination causes a decrease in electrical resistance and permits the flow of a greater electrical current
noun
: a photoelectric cell utilizing photoconductivity (as in a layer of selenium) so that an increase in illumination causes a decrease in electrical resistance and permits the flow of a greater electrical current
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012