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The character "镪", with its traditional form "鏹", is structured with the metal radical "金" combined with the phonetic component "強", which conveys the idea of strength. Originally, this character referred to a string of coins or metallic currency, aligning with its radical's association with metal. Over centuries, its meaning shifted to describe corrosive acids, particularly nitric acid, in the compound "镪水", where the notion of strength evolved to indicate the potent and reactive nature of such chemicals. The simplified form "镪" retains the metal radical but substitutes the phonetic with the simplified "强".