any of various limestones that emit an unpleasant odor when scratched or struck.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for stinkstone
Historical Examples of stinkstone
Extensive beds of stinkstone also occur, and many beds of limestone containing fluid bitumen in cavities.
any of various rocks producing a fetid odour when struck, esp certain limestones
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012