Library / English Dictionary

    ORTHICON

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electronsplay

    Synonyms:

    image orthicon; orthicon

    Classified under:

    Nouns denoting man-made objects

    Hypernyms ("orthicon" is a kind of...):

    television-camera tube; television pickup tube (a tube that rapidly scans an optical image and converts it into electronic signals)

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