chalcogen

[kal-kuh-juhn, -jen]

noun

1. Chemistry.,  any of the elements oxygen, sulfur, selenium, tellurium, and polonium, which form the VIa group in the periodic table.

chalcogen

/ ˈkælkəˌdʒɛn /

noun

1. any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table

Word History and Origins

Origin of chalcogen¹

First recorded in 1960–65; chalco- ( def. ) + -gen

Word History and Origins

Origin of chalcogen¹

C20: from _chalco ( _pyrite ) + _-gen

Example Sentences

TMDs are built from stacked layers of a transition metal such as molybdenum and two layers of a chalcogen element like sulfur or selenium.

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The rotational properties were enabled by adding molecular components that contained an atom from the 'chalcogen' group of elements in the periodic table, specifically sulfur or selenium, to a simple organic molecule: an amide compound.

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We ran a few models and compared our isotope predictions for each model with the actual measurements of chalcogen isotopes on Earth.

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One of these was a chalcogen-containing gas that supplied chalcogen atoms for the TMC; the other gas was phosphorus, which provided further impurity atoms for TMC doping.

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Kadlag, Y. & Becker, H. Highly siderophile and chalcogen element constraints on the origin of components of the Allende and Murchison meteorites.

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