cathode-ray tube — cath′ode ray tube n. elo elm a vacuum tube generating a focused beam of electrons, the terminus of which is visible as a luminescent spot or line on a screen at the broad end of the tube: used to display images on a television receiver or… … From formal English to slang
an|ti|cath|ode — «AN tee KATH ohd», noun. 1. the plate, often of platinum, opposite the cathode in an X ray tube, upon which the cathode rays impinge and produce X rays; target. 2. the anode in a vacuum tube … Useful english dictionary
cathode ray — cath′ode ray n. elo a flow of electrons emanating from a cathode in a vacuum tube and focused into a narrow beam • Etymology: 1875–80 … From formal English to slang
Cathode ray — Cathode Cath ode, n. [Gr. ? descent; ? down + ? way.] (Physics) The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the … The Collaborative International Dictionary of English
cathode-raytube — cath·ode ray tube (kăthʹōd rā ) Precision Graphics n. Abbr. CRT A vacuum tube in which a hot cathode emits electrons that are accelerated as a beam through a relatively high voltage anode, further focused or deflected electrostatically or… … Universalium
cathode — The negative pole of a galvanic battery or the electrode connected with it; the electrode toward which positively charged ions (cations) migrate and are reduced, and into which electrons are fed from their source (anode or generator). Cf.:anode.… … Medical dictionary
Cathode — Cath ode, n. [Gr. ? descent; ? down + ? way.] (Physics) The part of a voltaic battery by which the electric current leaves substances through which it passes, or the surface at which the electric current passes out of the electrolyte; the… … The Collaborative International Dictionary of English