photocathode
noun
No English definition recorded for this entry.
L254342 on Wikidata ↗Wiktionary
noun
Etymology: Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- English cathode English photocathode From photo- + cathode.
- A cathode that emits electrons when exposed to light.