Geiger counter

Geiger counter, type of ionization chamber (q.v.) especially effective for counting individual particles of radiation.

This article was most recently revised and updated by Amy Tikkanen.

Citation Information

Article Title: Geiger counter

Website Name: Encyclopaedia Britannica

Publisher: Encyclopaedia Britannica, Inc.

Date Published: 03 April 2025

Access Date: April 21, 2025