#carbonate  a salt or ester of carbonic acid
  supertype:  salt  a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
  subtype:  ammonium_carbonate  a carbonate of ammonium; used in the manufacture of smelling salts and baking powder and ammonium compounds
  subtype:  bicarbonate__hydrogen_carbonate  a salt of carbonic acid in which one hydrogen atom has been replaced; an acid carbonate
  subtype:  lithium_carbonate__lithiumcarbonate__Lithane__Lithonate__Eskalith  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

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