phototube
noun Date: 1930 an electron tube having a photoemissive cathode whose released electrons are drawn to the anode by reason of its positive potential

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • phototube — [fōt′ō to͞ob΄, fōt′ōtyo͞ob΄] n. [ PHOTO(ELECTRIC) + TUBE] a vacuum tube designed to convert light energy into electrical energy by means of a photoemissive cathode …   English World dictionary

  • Phototube — A phototube is a type of gas filled or vacuum tube that is extremely sensitive to light in the ultraviolet, visible, and near infrared ranges of the electromagnetic spectrum.Operating principlesPhototubes operate according to the photoelectric… …   Wikipedia

  • phototube — vakuuminis fotoelementas statusas T sritis automatika atitikmenys: angl. phototube; vacuum phototube vok. Photoemissionszelle, f; Vakuumphotozelle, f rus. вакуумный фотоэлемент, m pranc. cellule photo électrique à vide, f; tube photo émissif à… …   Automatikos terminų žodynas

  • phototube — /foh teuh toohb , tyoohb /, n. Electronics. an electron tube with a photosensitive cathode, used like a photocell. Also called photoelectric tube. [1925 30; PHOTO + TUBE] * * * …   Universalium

  • phototube — noun A gas filled electron tube that has a photosensitive cathode …   Wiktionary

  • phototube — pho·to·tube …   English syllables

  • phototube — pho•to•tube [[t]ˈfoʊ təˌtub, ˌtyub[/t]] n. elo elm an electron tube with a photosensitive cathode, used like a photocell • Etymology: 1925–30 …   From formal English to slang

  • phototube — /ˈfoʊtoʊtjub/ (say fohtohtyoohb) noun → photoelectric cell …   Australian English dictionary

  • phototube — ˈfōd.ō+ˌ noun Etymology: phot + tube : an electron tube having a photoemissive cathode whose released electrons are drawn to the anode by reason of its positive potential …   Useful english dictionary

  • vacuum phototube — vakuuminis fotoelementas statusas T sritis automatika atitikmenys: angl. phototube; vacuum phototube vok. Photoemissionszelle, f; Vakuumphotozelle, f rus. вакуумный фотоэлемент, m pranc. cellule photo électrique à vide, f; tube photo émissif à… …   Automatikos terminų žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”