Definition of radio button noun from the Oxford Advanced Learner's Dictionary


radio button

BrE BrE//ˈreɪdiəʊ bʌtn//
; NAmE NAmE//ˈreɪdioʊ bʌtn//
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a small circle that you click on in order to make a particular choice. The radio button is then marked with a dot to show that it has been selected.
See the Oxford Advanced American Dictionary entry: radio button