Term: radiation counter https://doi.org/10.1351/goldbook.R05053 Definition: radiation measuring assembly comprising a radiation detector in which individual ionizing events cause electrical pulses and the associated equipment for processing and counting the pulses. Often an expression is added indicating the type of radiation detector (e.g. scintillation, semiconductor). Related Terms: 1) radiation (http://doi.org/10.1351/goldbook.R05048). 2) radiation detector (http://doi.org/10.1351/goldbook.R05054). 3) scintillation (http://doi.org/10.1351/goldbook.S05505). 4) semiconductor (http://doi.org/10.1351/goldbook.S05592). Source: PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2516 (https://doi.org/10.1351/pac199466122513) Citation: 'radiation counter' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.R05053 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.