DICT.TW Dictionary Taiwan

 chalkstone
 白堊塊,痛風石

 chalk·stone /ˈʧɔkˌston/ 名詞
 痛風石(痛風病之結塊),白堊塊

 Chalk·stone n.
 1. A mass of chalk.
    As chalkstones . . . beaten in sunder.   --Isa. xxvii. 9.
 2. Med. A chalklike concretion, consisting mainly of urate of sodium, found in and about the small joints, in the external ear, and in other situations, in those affected with gout; a tophus.
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 chalkstone
      n : a deposit of urates around a joint or in the external ear;
          diagnostic of advanced or chronic gout [syn: tophus]