英和和英

語源

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

発音

• (Received Pronunciation) IPA: /ˈɡaɪɡə ˈkaʊntə/
• (米国発音) IPA: /ˈɡaɪɡɚ ˈkaʊntɚ/

名詞

Geiger counter (plural Geiger counters)

1. A device designed to detect radioactivity and measure its intensity.

   Synonym: Geiger-Müller counter

   • 1988, David Halliday, Robert Resnick, Fundamentals of Physics, 3rd edition, page 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.

2. (by extension, retail) a feature of an RFID reader that emits a sound indicating the signal strength of an RFID tag that is being searched for.
   • 2021 July 15, “10 Facts About the Geiger Counter Functionality, aka RFID Tag Locator”, in atlasRFIDstore‎ (blog), retrieved 23 August 2024:

     Any Geiger Counter feature can direct a user towards an RFID tagged item or at least point the user in the right direction, depending on how far away the RFID tag is.