Argon

Argon (Ar`gon) , a new element lately discovered to exist in a gaseous form in the nitrogen of the air.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Ar`golis * Argonautica
Arezzo
Ar`gali
Argan`
Argand
Argelan`der
Ar`gens, Marquis d'
Argenson, René-Louis, Marquis d'
Argentine Republic
Ar`go
Ar`golis
Ar`gon
Argonautica
Ar`gonauts
Argonne`, Forest of
Ar`gos
Ar`gus
Argus
Argyll
Argyll
Argyll, Archibald Campbell, 1st Marquis of
Argyll, Archibald Campbell, 9th Earl of