toadstone
English edit
Etymology edit
Noun edit
toadstone (countable and uncountable, plural toadstones)
- A small stone, once believed to be a jewel embedded in the head of a toad, worn as an amulet.
- (geology) A soft, earthy variety of trap-rock of a brownish-grey colour, looking like an argillaceous deposit.
- 2004, Robert E Schofield, The Enlightened Joseph Priestley, Pennsylvania State University, published 2004, page 162:
- Rowley-Rag appeared to be the same thing as basalt and toadstone resembled some species of lava.
Translations edit
a small stone worn as an amulet
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