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Definition of Chalcogen
1. Noun. (inorganic chemistry) Any element of group 16 of the periodic table - oxygen, sulphur, selenium, tellurium and polonium. ¹
¹ Source: wiktionary.com
Definition of Chalcogen
1. [n -S]
Medical Definition of Chalcogen
1. One of the elements in the same column of the periodic table as oxygen. (09 Oct 1997)