An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 3 Search : cathod
cathode
  کاتود   
kâtod (#)

Fr.: cathode   

A negatively charged electrode that is the source of electrons in an electrical device.

Gk. kathodos "descent, a way down," from kata- "down" + hodos "way, path."

cathode ray
  پرتو ِ کاتودی   
partw-e kâtodi (#)

Fr.: rayon cathodique   

A kind of ray generated at the cathode in a vacuum tube, by the electrical discharge.

cathode; →ray.

photocathode
  شید-کاتود، نور-کاتود   
šid-kâtod, nur-kâtod

Fr.: photocathode   

Electrode capable of releasing electrons when illuminated.

photo- + → cathode.