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Geiger counter

1 ENTRIES FOUND:
Geiger counter /ˈgaɪgɚ-/ noun
plural Geiger counters
Geiger counter
/ˈgaɪgɚ-/
noun
plural Geiger counters
Learner's definition of GEIGER COUNTER
[count]
: an instrument used for finding and measuring radioactivity(用于探测放射性能量的)盖革计数器

Geiger counter

noun

Gei·​ger counter ˈgī-gər- How to pronounce Geiger counter (audio)
: an instrument for detecting the presence and intensity of radiations (such as cosmic rays or particles from a radioactive substance) by means of their ionizing effect on an enclosed gas which results in a pulse that is amplified and fed to a device giving a visible or audible indication

Word History

Etymology

Hans Geiger †1945 German physicist

First Known Use

1924, in the meaning defined above

Time Traveler
The first known use of Geiger counter was in 1924

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