anticathode

anticathode

[an-tee-kath-ohd, an-tahy-]
noun
the positive plate of an x-ray or other electron tube serving as the target for electrons coming from the cathode, which cause it to emit high-frequency radiations.

Origin:
1905–10; anti- + cathode

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World English Dictionary
anticathode (ˌæntɪˈkæθəʊd)
 
n
the target electrode for the stream of electrons in a vacuum tube, esp an X-ray tube

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