/rot"n stohn'/ , n.
a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals.
[ 1670-80; ROTTEN + STONE ]
/rot"n stohn'/ , n.
a friable stone resulting from the decomposition of a siliceous limestone, used as a powder for polishing metals.
[ 1670-80; ROTTEN + STONE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012