| selenium | (n) 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), Syn. atomic number 34, Se |
| 硒 | [硒] selenium S, nonmetal, atomic number 34 #17,578 [Add to Longdo] |