toad·stone /-ˌston/
蟾蜍石,玄武斑岩
Toad·stone n.
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. Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite.
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