Oxford Dictionary English Geiger counter noun noun BrE BrE//ˈɡaɪɡə kaʊntə(r)// ; NAmE NAmE//ˈɡaɪɡər kaʊntər// Add to my wordlistjump to other resultsa device used for finding and measuring radioactivitySee Geiger counter in the Oxford Advanced American DictionaryCheck pronunciation: Geiger counter oxfordlearnersdictionaries.com
