Definition of rottenstone in English:

rottenstone

Line breaks: rotten|stone

noun

[mass noun]
  • Decomposed siliceous limestone used as a powder or paste for polishing metals.
    More example sentences
    • For a glassy finish, use pumice or rottenstone (decomposed limestone).
    • For older stains use a paste of rottenstone, baking soda or cigarette ashes mixed with mineral oil, linseed oil, or lemon oil.
    • For the final touch, rub down the table using a thin paste of rottenstone.

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