chalcogen
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chal·co·gen
(kăl′kə-jən)n.
Any of the elements appearing in Group 6a of the periodic table, sharing certain chemical properties; oxygen, sulfur, selenium, tellurium, polonium, or element 116.
[Greek khalkos, copper + -gen, since many of the important ores of copper, such as chalcopyrite, contain chalcogens.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
chalcogen
(ˈkælkəˌdʒɛn)n
(Elements & Compounds) any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table
[C20: from chalco(pyrite) + -gen]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
Chalkogen
calcogeno