photoreceptor Syllabification: (pho·to·re·cep·tor)Pronunciation: /ˌfōtōriˈseptər/Definition of photoreceptor noun a structure in a living organism, especially a sensory cell or sense organ, that responds to light falling on it. Derivatives photoreceptivePronunciation: /ˈseptiv/ adjective photoreceptor in other Oxford dictionaries Definition of photoreceptor in the British & World English dictionary
