Source : Webster's Revised Unabridged Dictionary (1913)

Lithia \Lith"i*a\, n. [NL., from Gr. li`qos stone.] (Chem.)
   The oxide of lithium; a strong alkaline caustic similar to
   potash and soda, but weaker. See {Lithium}.

   {Lithia emerald}. See {Hiddenite}.