| 释义 |
Definition of chalcogen in English: chalcogen(also chalkogen) noun ˈkalkədʒ(ə)n Chemistry Any of the elements in group 16 (group VIa) of the periodic table, comprising oxygen, sulphur, selenium, tellurium, and polonium.
Origin1940s. From chalco- + -gen, after halogen. Compare earlier chalcogenide. Definition of chalcogen in US English: chalcogen(also chalkogen) nounˈkalkədʒ(ə)n Chemistry Any of the elements in group 16 (group VIa) of the periodic table, comprising oxygen, sulphur, selenium, tellurium, and polonium.
Origin1940s. From chalco- + -gen, after halogen. Compare earlier chalcogenide. |