Definition of Geiger-Müller counter (GM counter) from the PharmacyDictionary.in

Geiger-Müller counter (GM counter)

Synonyms or meaning of Geiger-Müller counter (GM counter)

An instrument to detect beta particles; it consists of a cylinder containing a gas, a cathode, and an anode. Ions passing into the cylinder cause a flow of current and each beta particle causes a pulse of current that is amplified and recorded.

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