selenium

Meaning

1. (uncountable, usually) A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.
2. (uncountable, usually) A single atom of this element.

Synonyms

Se

atomic number 34

Translations

Selen

selenio

sélénium

selenio

selénio

selenium

σελήνιο

seleni

selenyum

seleen

سيلينيوم

selenium

selênio

selèni

Pronounced as (IPA)

/sɪˈliːni.əm/

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.