Gei·ger counter (g  g r)n. An instrument that detects and measures the intensity of radiation, such as particles from radioactive material, consisting of a Geiger tube and associated electronic equipment. Also called Geiger-Müller counter. [After Hans Wilhelm Geiger (1882-1945), German physicist.] |
Geiger counter [guy-ger] or Geiger-Müller counter
Noun
an instrument for detecting and measuring radiation [after Hans Geiger, physicist]
| Geiger counter An electronic instrument that detects and measures nuclear radiation, such as x-rays or gamma rays. The Geiger counter consists of a gas-filled tube with a charged electrode connected to a counter. As radiation passes through the gas it ionizes atoms along its path. The ions are attracted to the charged electrode, creating pulses of electric current that are registered by the counter. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  Geiger counter - counter tube that detects ionizing radiationscounter tube - a measuring instrument for counting individual ionizing events Geiger tube, Geiger-Muller tube - an ionization chamber contained in a tube in a Geiger counter |
Translations
Geiger counter [ˈgaɪgə-] n → geiger m inv
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