Read Edit View history Discussion 鐳 léi radium Origin Definitions Defs Strokes Stroke Words Sentences Sents Historical Pronunciations Old ChineseZhengzhangruːl Sources Readings & variants Unicode Historical pronunciations Zhengzhang Shangfang 镭 léi radium Simplified Phonosemantic compound. 钅 represents the meaning and 雷 represents the sound. Simplified form of 鐳. Components 钅 钅 Meaning component jīn metal 钅 is a component form of 金. 雷 雷 Sound component léi thunder Sources Readings & variants Unicode