Selenium (Noun)
Meaning
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).
Classification
Nouns denoting substances.
Examples
- The scientist handled the selenium compound with care due to its toxicity.
- The team extracted selenium from the sulfide ore and refined it for industrial use.
- Selenium supplements are popular among health enthusiasts, despite controversy over their benefits.
- The unique electrical properties of selenium make it an ideal material for use in photocells and solar panels.
- Exposure to high levels of selenium can cause damage to the liver and kidneys, making it a hazardous substance to work with.