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单词 pentode
释义

Definition of pentode in English:

pentode

noun ˈpɛntəʊdˈpɛntoʊd
Electronics

  • A thermionic valve having five electrodes.

    〔电子〕五极管

    Example sentencesExamples
    • I agree with the assumption that building large pentodes is more difficult.
    • The machine incorporates a pentode vacuum-tube driven as a cathode follower in a Class-A, unity-gain output stage.
    • Here is a compilation of some of the finest pentode audio tubes ever made.

Origin

Early 20th century: from Greek pente 'five' + hodos 'way'.

Definition of pentode in US English:

pentode

nounˈpentōdˈpɛntoʊd
Electronics

  • A thermionic tube having five electrodes.

    〔电子〕五极管

    Example sentencesExamples
    • The machine incorporates a pentode vacuum-tube driven as a cathode follower in a Class-A, unity-gain output stage.
    • I agree with the assumption that building large pentodes is more difficult.
    • Here is a compilation of some of the finest pentode audio tubes ever made.

Origin

Early 20th century: from Greek pente ‘five’ + hodos ‘way’.
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更新时间：2025/6/20 10:33:42