What is the meaning of Selenium?

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

A single atom of this element.

Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988

Synonym of seleen (selenium)

Alternative form of selen

selenium

Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988

selenium

selenium (chemical element)

Alternative form of seleniu

Source: wiktionary.org