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Meaning of photoglow tube | Babel Free

Noun CEFR B2

Definitions

A phototube in which an electric current flows when a certain illumination is reached; used as a relay

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

photoglycine photoglyphy photogoniometer photogram photogrammeter photogrammetrist