English dictionary, thesaurus, translations & etymology
FreeDict.com
noun

selenium

Selenium (noun) means a nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.

noun
1
A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.
2
An atom of this element.
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “selenium” A quick quiz — meaning, synonyms & usage

Etymology

From French sélénium, the name coined by Swedish chemist Jöns Jacob Berzelius in 1818 from Ancient Greek σελήνη (selḗnē, “moon”) in reference to original confusion with the similar element tellurium.

Rhymes for selenium

See all rhymes for selenium →

Frequently asked questions

What is the meaning of selenium?

"selenium" (noun) means a nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.

What are the different meanings of selenium?

"selenium" has 2 main meanings: 1. A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor; 2. An atom of this element.

Definitions from wiktionary, CC BY-SA · etymology from Wiktionary