English version

Geiger counter

From Longman Dictionary of Contemporary English
Related topics: Measurement
Geiger counterGei‧ger count‧er /ˈɡaɪɡə ˌkaʊntə $ -ɡər ˌkaʊntər/ noun [countable]  TMan instrument that finds and measures radioactivity
Examples from the Corpus
Geiger counterSea-anglers dot the foreshore, their rods like the jittery feelers of crayfish or the dials of a Geiger counter.Just before each Geiger counter click we see a flash of light from the illuminated electron.There are various ways of monitoring radiation, the best known being the Geiger counter.The Geiger counter may not have been properly calibrated.
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