phototubes

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A form of phototube — A gas-filled electron tube that has a photosensitive cathode.

Scrabble 17
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Meanings

noun
  1. pluralplural of phototube
Cite this entry
APA

phototubes. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/phototubes

MLA

“phototubes.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phototubes. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “phototubes,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/phototubes.

Source: phototubes on Wiktionary, CC BY-SA 4.0.