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Webster 1913 Edition
Toadstone
Toad′stoneˊ
,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.
Bufonite, formerly regarded as a precious stone, and worn as a jewel. See
Bufonite
.