abrading stone


  • WordNet 3.6
    • n abrading stone a primitive stone artifact (usually made of sandstone) used as an abrader
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In literature:

In all cases, however, a hard file will abrade the surface of the false stone.
"The Chemistry, Properties and Tests of Precious Stones" by John Mastin
The softer parts would abrade faster in the soft stone.
"The Holes Around Mars" by Jerome Bixby