phototube

Valid in Scrabble

Scrabble points
16
Words With Friends
18
Letters
9

Definition of phototube

1 sense · 1 part of speech · etymology included

noun

  1. A gas-filled electron tube that has a photosensitive cathode.

Definitions from Wiktionary, CC BY-SA.

Etymology

From photo- + tube.

Hooks

1 extension · 1 back

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