单词 | chalcogen |
释义 | Definition of chalcogen in English:chalcogen(also chalkogen) noun ˈkalkədʒ(ə)n Chemistry
Origin1940s. From chalco- + -gen, after halogen. Compare earlier chalcogenide. Definition of chalcogen in US English:chalcogen(also chalkogen) nounˈkalkədʒ(ə)n Chemistry
Origin1940s. From chalco- + -gen, after halogen. Compare earlier chalcogenide. |
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