Photocathode

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A cathode that emits electrons when exposed to light.
  2. 2
    a cathode that emits electrons when illuminated wordnet

Synonyms

All synonyms
componentpartstube

Etymology

From photo- + cathode.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.