Chalcogen Definition
kălkə-jən
noun
Any of the elements appearing in Group 6a of the periodic table, sharing certain chemical properties; oxygen, sulfur, selenium, tellurium, polonium, or element 116.
American Heritage
Other Word Forms of Chalcogen
Noun
Singular:
chalcogen
Plural:
chalcogensOrigin of Chalcogen
Greek khalkos copper –gen since many of the important ores of copper, such as chalcopyrite, contain chalcogens
From American Heritage Dictionary of the English Language, 5th Edition
From chalco- (“ore") +"Ž -gen (“forming").
From Wiktionary
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