Source : WordNet®

Lithonate
     n : 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}, {Eskalith}]