WordNet (r) 3.0 (2006):

Lithonate
    n 1: a white powder (LiCO3) used in manufacturing glass and
         ceramics and as a drug; the drug (trade names Lithane or
         Lithonate or Eskalith) is used to treat some forms of
         depression and manic episodes of manic-depressive disorder
         [syn: lithium carbonate, Lithane, Lithonate,
         Eskalith]