ayr stone
[air]
- a fine-grained stone used for polishing marble and as a whetstone.
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Origin of ayr stone
First recorded in 1855–60; named after Ayr
Also called snakestone.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for ayr stone
Historical Examples
The section is then finished with, say, two minutes emery or water of Ayr-stone dust.
On Laboratory ArtsRichard Threlfall