PHOTOTUBE


Meaning of PHOTOTUBE in English

n.

Pronunciation: ' f ō -t ō - ˌ tüb, - ˌ tyüb

Function: noun

Date: 1930

: an electron tube having a photoemissive cathode whose released electrons are drawn to the anode by reason of its positive potential

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.