1. 
   Toadstone
   Toad'stone` noun 1. (Min.) A local name for the igneous rocks of Derbyshire, England; -- said by some to be derived from the German todter stein , meaning dead stone , that is, stone which contains no ores. 2. Bufon...
   Found op http://www.encyclo.co.uk/webster/T/63
   
   
2. 
   toadstone
   1. <chemical> A local name for the igneous rocks of Derbyshire, England; said by some to be derived from the German todter stein, meaning dead stone, that is, stone which contains no ores. ... 2. Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite. ... Source: We...
   Found op http://www.mondofacto.com/facts/dictionary?toadstone
   
   
3. 
   Toadstone
   • (n.) A local name for the igneous rocks of Derbyshire, England; -- said by some to be derived from the German todter stein, meaning dead stone, that is, stone which contains no ores. • (n.) Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite.
   Found op http://thinkexist.com/dictionary/meaning/toadstone/
   
   
4. 
   Toadstone
   The toadstone (not unlike the batrachite), also known as bufonite, is a mythical stone or gem thought to be found in, or produced by, a toad, and is supposed to be an antidote to poison. Artifacts called "toadstones" were actually the fossilized teeth of Lepidotes, an extinct genus of ray-finned fi...
   Found op http://en.wikipedia.org/wiki/Toadstone
   
   

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