rottenstone

listen to the pronunciation of rottenstone
Английский Язык - Турецкий язык
ponza
süngertaş
Английский Язык - Английский Язык
A soft, friable limestone, used in polishes
{n} a soft stone used in polishing called also Tripoly, from that country
{i} brittle and weatherworn stone formed by decomposed siliceous limestone
a weathered and decomposed siliceous limestone; in powdered form it is used in polishing