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:
November 13, 2026