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Meaning of phototube | Babel Free

Noun CEFR B2

Definitions

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

Equivalents

Deutsch Photozelle
Español fototubo
Suomi valokenno
Polski fotokomórka

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

phototuning phototype phototypesetter phototypesetting phototypist phototypography

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