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terbium▼◼◼◼noun[UK: ˈtɜː.bɪəm] [US: ˈtɜːr.biːəm]
ytterbium (Y)▼◼◼◼noun[UK: ɪ.ˈtɜː.bjəm] [US: ɪ.ˈtɜːr.biːəm]
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