photoconductive cell vs sensor

photoconductive cell and sensor both are nouns.

Word	Noun	Adjective	Verb	Adverb
photoconductive cell	Yes	No	No	No
sensor	Yes	No	No	No

As nouns, sensor is a hypernym of photoconductive cell; that is, sensor is a word with a broader meaning than photoconductive cell:

photoconductive cell: a transducer used to detect and measure light and other radiations
sensor: any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner

Other hypernyms of photoconductive cell include detector, sensing element, transducer.

photoconductive cell (noun)	sensor (noun)
a transducer used to detect and measure light and other radiations	any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner