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ayr stone

[air]
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noun
  1. 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 Arts

    Richard Threlfall