鉺
鉺，化學元素也，符號為Er，原子序六十八。屬鑭系元素、稀土金屬，出於瑞典矽鈹釔礦中。色銀白，常存以化合物。
氧化態以正三為最常，時色粉紅，以熒光故，用諸激光；雜於玻璃，可作摻鉺光纖放大器。此外，亦用諸醫療，佐激光手術，以進其效，並減其誤。
據
| 聲音動静，具錄於維基共享︰鉺 |
譯名見異，臺譯在先，陸譯在後，香港兼從
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