photocathode
[ foh-toh-kath-ohd ]
/ ˌfoʊ toʊˈkæθ oʊd /
noun
a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.
Words nearby photocathode
photobiotic,
photobomb,
photocard,
photocatalysis,
photocatalyst,
photocathode,
photocell,
photochemical,
photochemical smog,
photochemistry,
photochemotherapy
British Dictionary definitions for photocathode
photocathode
/ (ˌfəʊtəʊˈkæθəʊd) /
noun
a cathode that undergoes or is used for photoemission