selenium
/si'li:niәm/
📖 中文释义
- n. 硒
- [化] 硒Se
📘 English Definition(英文释义)
- 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)