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1. Oxford Dictionary

   cathode

   • IPA[ˈkaθəʊd]

   英式

   • n.
     the negatively charged electrode by which electrons enter an electrical device.；the positively charged electrode of an electrical device, such as a primary cell, that supplies current.

   • noun: cathode, plural noun: cathodes

2. • 相關詞

   hot cathode

   • n.
     a cathode designed to be heated in order to emit electrons.

   Oxford American Dictionary

   cold cathode

   • n.
     a cathode that emits electrons without being heated.

   Oxford Dictionary

   cathode ray

   • n.
     a beam of electrons emitted from the cathode of a high-vacuum tube.

   Oxford American Dictionary

   cold cathode

   • n.
     a cathode that emits electrons without being heated.

   Oxford American Dictionary

   hot cathode

   • n.
     a cathode designed to be heated in order to emit electrons.

   Oxford Dictionary

   cathode ray

   • n.
     a beam of electrons emitted from the cathode of a high-vacuum tube.

   Oxford Dictionary

   cathode ray tube

   • n.
     a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used ...

   Oxford Dictionary

   cathode ray tube

   • n.
     a high-vacuum tube in which cathode rays produce a luminous image on a fluorescent screen, used ...

   Oxford American Dictionary

3. • 更多解釋

   cathode

   • IPA[ˈkaˌTHōd]

   美式

   • n.
     the negatively charged electrode by which electrons enter an electrical device.

   Oxford American Dictionary