magic eye

English Thesaurus

1. a transducer used to detect and measure light and other radiations (noun.artifact)

hypernym	:	detector, sensing element, sensor,
definition	:	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 (noun.artifact)

hypernym	:	transducer,
definition	:	an electrical device that converts one form of energy into another (noun.artifact)

hyponym	:	selenium cell,
definition	:	a photoelectric cell that uses a strip of selenium (noun.artifact)

part holonym	:	photocathode,
definition	:	a cathode that emits electrons when illuminated (noun.artifact)