- any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table
| 单词 | chalcogen |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 chal•co•gen (kal′kə jən, -jen′),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: chalcogen /ˈkælkəˌdʒɛn/ n
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