ALL meanings of photocathode
pho·to·cath·ode
P p - noun photocathode a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation. 1
- noun photocathode a cathode that undergoes or is used for photoemission 0
- noun photocathode a cathode that emits electrons when activated by radiation, as light 0