Rotten stone


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(Min.) a soft stone, called also Tripoli (from the country from which it was formerly brought), used in all sorts of finer grinding and polishing in the arts, and for cleaning metallic substances. The name is also given to other friable siliceous stones applied to like uses.

See also: Rotten

References in periodicals archive ?
Finally, the surface may be polished using wool, steel, rotten stone or other materials, depending on the shine desired.
Wood Coatings Market Prevalent Opportunities upto 2020
Part of the restoration work involved cutting back half an inch of rotten stone from the front wall.
Working on a labour of love; A stonemason meant business when he set about renovating the family home, writes JOHN McEACHRAN
Focusing in turn on two of Holmes' research areas, biblical scholars explore such topics as patristic evidence in the apparatus criticus of a Greek New Testament, water and blood in Matthew 27:49: a Johannine reading in the Matthean passion narrative, the selection of Greek manuscripts to be included in the International Greek New Testament Project's edition of John in the Editio Critica Maior, the apocalyptic "adversary" in the Martyrdom of Polycarp and the Martyrs of Lyons, defining exceptions in the Didache, and "Rotten Stones" and other marginalia in the Shepherd of Hermas.
Studies on the Text of the New Testament and Early Christianity: Essays in Honor of Michael W. Holmes On the Occasion of His 65th Birthday
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