photodiode

[ foh-toh-dahy-ohd ]
/ ˈfoʊ toʊˌdaɪ oʊd /

noun Electronics.

a photosensitive semiconductor diode.

Origin of photodiode

First recorded in 1940–45; photo- + diode

Words nearby photodiode

photocurrent, photodecomposition, photodegradable, photodermatitis, photodetector, photodiode, photodisintegration, photodissociation, photodistribution, photodrama, photoduplicate

British Dictionary definitions for photodiode

photodiode
/ (ˌfəʊtəʊˈdaɪəʊd) /

noun

a semiconductor diode, the conductivity of which is controlled by incident illumination

Scientific definitions for photodiode

photodiode
[ fō′tō-dī′ōd′ ]

A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor, or generating a electric potential in the manner of a photoelectric cell. See more at photoelectric.