Geiger counter

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English[edit]

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Etymology[edit]

Named after Hans Geiger who developed the first such device in 1908 together with Ernest Rutherford.

Pronunciation[edit]

Noun[edit]

Geiger counter (plural Geiger counters)

  1. A device designed to detect radioactivity and measure its intensity.
    • 1988 — David Halliday & Robert Resnick, Fundamentals of Physics (3rd ed.), p 387
      Figure 27 shows a Geiger counter, used to detect ionizing radiation. The counter consists of a thin central wire, carrying a positive charge, surrounded by a concentric circular conducting cylinder, carrying an equal negative charge.

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