Emily Dickinson Lexicon
Definition for TOAD-STONE
TOAD-STONE, n. [toad and stone.]
In mineralogy, a sort of trap-rock, of a brownish gray color. The toad-stone of Derbyshire is generally a dark brown basaltic amygdaloid, composed of basalt and green earth, and containing oblong cavities filled with calcarious spar. Cyc.
Return to page 76 of the letter “T”.