radical signEnglishOxford New American Dictionaryradical sign /ˈradəkəl ˌsīn, ˈrædəkəl ˌsaɪn/ ▸ noun Mathematics the sign √ which indicates the square root of the number following (or a higher root indicated by a preceding superscript numeral).
EnglishOxford New American DictionaryEnglishOxford New American Dictionary
EnglishOxford New American Dictionary