selenium

As a proper noun selenium

is , character in the play cistellaria of plautus.

As a noun sulfosalt is

(mineralogy) a complex sulfide mineral with certain proportions of a metal, a semi-metal, and sulfur (or, rarely, selenium).

As a proper noun selenium

is , character in the play cistellaria of plautus.

As an adjective selenian is

pertaining to the moon.