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)
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atomic number 34::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | se, selenium |
| Type of | antioxidant, chemical element, element |
