Meaning & Definition of word "Selenium"

Selenium

/sɪˈliːniəm/

1. A chemical element with the symbol Se and atomic number 34, a nonmetal commonly found in various forms.
- Example: Selenium is used in glassmaking to decolorize glass and to make it more resistant to corrosion.
2. An essential trace element in the human diet, known for its antioxidant properties.
- Example: The body requires selenium to help produce antioxidant enzymes that protect cells from damage.
3. In computer science, a framework and tool for automating web browsers.
- Example: The developers used Selenium to automate the testing of their web application.

From Greek 'selēnē' meaning 'moon', alluding to its discovery soon after the element tellurium, which is named after the Earth.

selenium sulfide:

A compound containing selenium, used as an antifungal agent.

selenium rich:

Describes food or supplements containing a high amount of selenium.

selenosis:

A condition resulting from selenium toxicity.

selenides:

Compounds formed from selenium.

selenoproteins:

Proteins that incorporate selenium.