Synonyms of selenium

Noun

1. selenium, Se, atomic number 34, chemical element, element, antioxidant

usage: a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)

Definition and meaning of selenium (Dictionary)