chal|co|gen|ide «KAL kuh juh nyd, kal KOJ uh nyd», noun, adjective.
–n.
a compound formed with any of the elements oxygen, sulfur, selenium, and tellurium (group 6A of the periodic table) and another element or radical.
–adj.
composed of one or more of the chalcogenides: »
chalcogenide glass.
╂[< chalco- + -gen + -ide]
Useful english dictionary. 2012.